1. Pre-Algebra

1) Find the surface area for a sphere with a radius of 10 feet. Round to the nearest whole number. a. 1,256 ft2 b. 4,189 ft2 c. 1,089 ft2 d. 1,568 ft2 2) Find the volume of a sphere with a radius of 10 feet. Round to the nearest whole number. a. 1,257 ft3

2. ~*Math Probability*~

Which expression would you use to figure out the number of ways you can arrange the letters in the word equation? (1 point) 8! 8P4 4P8 4! Five friends are having their picture taken. How many ways can the photographer arrange the friends in a row? (1

3. Algebra

Which radical expression is in simplified form? a.11y/sq rt 3 b.sq rt 6/5y c. sq rt 17/sq rt 4 d.sq rt 25/81 I think it might be B...not positive though...?

4. Algebra 2

What are the mean, variance, and standard deviation of these values? Round to the nearest 10th. 92, 97, 53, 90, 95, 98

5. geometry

A right triangle prism has a volume of 2 cubic inches. A second right triangle prism is similar to the first one and has a volume of 128 cubic inches. A. What is the scale factor to go from the first prism to the second? B. What is the scale factor to go

6. Algebra 2

Susan keeps track of the number of tickets sold for each play presented at the community theater. Within how many standard deviations of th mean do all the values fall? 135, 71, 69, 80, 158, 152, 161, 96, 122, 118, 87, 85. 3 4 5 2

7. Chemistry

Consider a solution that contains both C6H5NH2 and C6H5NH3+. Calculate the ratio [C6H5NH2]/[C6H5NH3+] if the solution has the following pH values. (Assume that the solution is at 25°C.) (a) pH = 4.70 (b) pH = 5.26 (c) pH = 5.42 (d) pH = 4.96

8. Chem 1

The forensic technician at a crime scene has just prepared a luminol stock solution by adding 15.0g of luminol into a total volume of 75.0 \rm mL of \rm H_2O. What is the molarity of the stock solution of luminol? 1.13M Before investigating the scene, the

Stacy has a spinner (1-4) and a number cube (1-6). After spinning and rolling the number cube, she will add the two numbers. What is the probability that the sum of the numbers from the spinner and number cube will be 3 or 4?

10. Algebra

A gardener is mowing a 20 by 40 yard rectangular pasture using a diagonal pattern. He mows from one corner of the pasture to the corner diagonally opposite. What is the length of this pass with the mower? Give your answer in simplified form. A.10 sq rt 20

11. biology

when robert hooke observed cork through his compound microscope , all that he could see were empty chambers. why were hooke's chambers empty

12. calculus

a) If x3 + y3 - xy2 = 5, find dy/dx. (b) Using your answer to part (a), make a table of approximate y-values of points on the curve near x = 1, y = 2. Include x = 0.96, 0.98, 1, 1.02, 1.04. (c) Find the y-value for x = 0.96 by substituting x = 0.96 in the

13. Chemistry Lab

A student who is performing this experiment pours an 8.50mL sample of saturated borax solution into a 10mL graduated cylinder after the borax has cooled to a certain temperature, T. The student rinses the sample into a small beaker using distilled water,

14. Physics

A ball with a mass of 0.50 kilograms is moving at a speed of 1.8 meters/second along the positive x-axis. It collides with another ball of the same mass travelling at a speed of 2.0 meters/second toward the positive y-axis. Both balls then start moving

15. Physics

What is the momentum of a 1.5 × 103 kilogram van that is moving at a velocity of 32 meters/second? A. 46.9 kilogram meters/second B. 4.7 × 103 kilogram meters/second C. 4.85 × 102 kilogram meters/second D. 4.85 × 104 kilogram meters/second

16. College physics

A toroidal solenoid has a mean radius of 8.00cm and a cross-sectional area of 4.80cm^2 and is wound uniformly with 90.0 turns. A second coil with 500 turns is wound uniformly on top of the first What is the mutual inductance of these coils?

17. Algebra

what is the simplified form of 3sq rt 5c * sq rt 15c^3? A.15c^2 sq rt 3 B.6c^2 sq rt 5 c.5c^2 sq rt 3 d.12c^4sq rt 5 I think it is A...?

18. quick math

A patio measures 12 feet by 14 feet. How many 8-inch-square paving stones are needed to pave the patio? A. 21 B. 252 C. 378 D. 168 my answer is B, but the right answer is C? can someone explain that to me thanks

19. Chemistry

2AgNO3 + BaCl2 --> 2AgCl + Ba(NO3)2 How many grams of sliver chloride are produced from 5.0g of sliver nitrate reacting with an excess of barium chloride?

20. Statistics

Direct mail advertisers send solicitations (a.k.a. "junk mail") to thousands of potential customers in the hope that some will buy the company's product. The response rate is usually quite low. Suppose a company wants to test the response to a new flyer,

21. Physics

Before a collision, the x-momentum of an object is 8.0 × 103 kilogram meters/second, and its y-momentum is 1.2 × 104 kilogram meters/second. What is the magnitude of its total momentum after the collision? A. 1.4 × 104 kilogram meters/second B. 2.0 ×

22. Math

Sam ate 1/4 of the pizza. If the pizza has 8 slices, how many slices are left?

23. Physics

A mass spectrometer is used to examine the isotopes of uranium. Ions emerge from the velocity selector at a speed of 3.00 x 10^5 m/s and enter a uniform magnetic field of 0.600 T directed perpendicularly to the velocity of the ions. What is the distance

24. Pre-Algebra

For numbers 1–3, find the indicated measurement of the figure described. Use 3.14 for (pi) and round to the nearest whole number. 1) Find the surface area of a sphere with a radius of 8 cm. a. 268 cm2 b. 804 cm2 c. 2,144 cm2 d. 201 cm2 2) Find the

25. Chemistry

Consider the titration of 100.0 mL of 0.260 M propanoic acid (Ka = 1.310−5) with 0.130 M KOH. Calculate the pH of the resulting solution after each of the following volumes of KOH has been added. (Assume that all solutions are at 25°C.) (a) 0.0 mL (b)

26. physics

1. A force of 720 N stretches a certain spring a distance of 15 cm. What is its force constant? If a 60-kg mass is hang on it, how far will it stretch?

27. physics

Pete slides a crate up a ramp at an angle of 27◦ by exerting a 242 N force parallel to the ramp. The crate moves at a constant speed. The coeﬃcient of friction is 0.4. How much work did Pete do when the crate was raised a vertical distance of 2.22 m?

28. trig

cos è = 0.9659 A = ? H = 20

29. physical science

What difference is there between the downward velocities of the skydiver who jumped out of the helicopter (with no forward velocity) and the one who jumped out of a plane (with a forward velocity of 40 m/s)?

30. Chemistry

ou are given the following data. S(s) + 3/2 O2(g) → SO3(g) ΔH = -395.2 kJ 2 SO2(g) + O2(g) → 2 SO3(g) ΔH = -198.2 kJ Calculate ΔH for the reaction below. S(s) + O2(g) → SO2(g)

31. Chemistry

N2 + 3H2 --> 2NH3 how many grams of ammonia is produced in the reaction?

32. Physics

Mason lifts a box off the ground and places it in a car that is 0.50 meters high. If he applies a force of 8.0 newtons to lift this suitcase, what is the work done? A. 0 joules B. 4.0 joules C. 4.0 × 101 joules D. 4.0 × 102 joules

33. Art

Art to inspire hope is called A.spiritual art. B.watercolor art. C.celebration art. D.western art. I can't decide between A and C...and I can't find it in the book anywhere. Help

In a recent survey in a Statistics class, it was determined that only 60% of the students attend class on Fridays. From past data it was noted that 98% of those who went to class on Fridays pass the course, while only 20% of those who did not go to class

35. College Physics

A 22 μF capacitor and a 5.20 mH inductor are connected in series with an open switch. The capacitor is initially charged to 6.70 μC. What is the angular frequency of the charge oscillations in the capacitor after the switch is closed? W = _____ rad/s

1) Nova, whose mass is 50.0 kg, stays out skiing for too long and her body temperature drops by 2.00 degree celsius . What is the amount of heat lost from Nova's body? (cHuman body= 3470 J/kg degre celcius) 2) Phoebe's insulated foam cup is filled with

37. Physics

A certain coaxial cable consists of a copper wire, radius a , surrounded by a concentric copper tube of inner radius c . The space between is partially filled (from b out to c ) with material of dielectric constant K. The goal of this problem is to find

38. Chemistry

For the reaction ? FeCl2 + ? Na3PO4 → ? Fe3(PO4)2 + ? NaCl what is the maximum mass of Fe3(PO4)2 that could be formed from 5.25 g of FeCl2 and 1.62 g of Na3PO4? Answer in units of g

39. Chemistry

What volumes of 0.47 M HF and 0.47 M NaF must be mixed to prepare 1.00 L of a solution buffered at pH = 3.50? HF NaF

40. English

Is this a correct parallel structure....? The racehorse Boundless was not only fast but also a beauty.

41. macroenomics

Suppose the minimum wage is above the equilibrium wage in the market for unskilled labour. Using a demand and supply diagram of the market for unskilled labour, show the market wage, the number of workers who are employed, and the number of workers who are

42. Math

The faces on a fair number cube are labelled 1, 2, 3, 4, 5 and 6. Steven rolls the number cube 48 times.How many times should Steven expect to roll a 3? a)3 b)8 c)16 d)24

43. math

Natalie is buying potatoes at the grocery store. If she buys 6 potatoes that each have a mass of 375 grams, what is the total mass of the potatoes, in kilograms?

44. Physics for engineers

A bowling ball weighing 71.3 is attached to the ceiling by a rope of length 3.73 . The ball is pulled to one side and released; it then swings back and forth as a pendulum. As the rope swings through the vertical, the speed of the bowling ball is 4.60 .

45. maths literacy,business studies, tourism, economic

which career can I study with this subjects after grade12......

46. chemistry

if 150 grams of water is heated from 20 degrees C to 30 degrees C, the number of joules of heat energy aborbed is?

47. physics

A 2.7-kg box is released on a horizontal surface with an initial speed of 2.9 m/s.It moves on the surface with a deceleration of 0.27 m/s^2.Calculate the kinetic friction force on the box

48. physics

Assume the proton is at rest initially. The charge on the proton is 1.602×10−19 C and its mass is 1.67 × 10−27 kg. If the magnetic ﬁeld is 2.85 T and the potential diﬀerence is 2.29 MV, ﬁnd the magnitude of the force on the proton after the

49. Soc. Studies

What progress was made towards women's equality in the 1800s? A.Women obtained the suffrage, or right to vote, in federal elections. B.Many gains were made in the area of women's education during this period. C.Women were granted full equality with men

50. English

At the fair, not only can I eat tasty food, but I can also see awesome fireworks. Parallel Structure?....

51. public health

select two challenges associated with multicultural leadership. As a scholar-practitioner in the field of public health, think about strategies you may use to address these challenges. Consider how your public health leadership philosophy may contribute to

52. Chemistry

Indicate the concentration of each ion present in the solution formed by mixing the following. Assume that the volumes are additive: 3.60 g of KCl in 76.5 mL of 0.274 M CaCl2 solution [K+] = [Cl-] =

53. Soc. Studies

Which of the resolutions at Seneca Falls Convention was most inspired by women’s inability to own property? A.desire for improved education in order to understand property contracts B.belief that women should have voting rights in order to change

The line “Where water is not thirsty” is an example of which type of figurative language? (1 point) a. symbol b. metaphor c. simile d. personification I choose d because give human quality to animal, object, or idea right?

55. Chemistry

A buffered solution is made by adding 48.6 g C2H5NH3Cl to 1.00 L of a 0.77 M solution of C2H5NH2. Calculate the pH of the final solution. (Assume no volume change. Assume that all solutions are at 25°C.)

56. physics (Newton's Laws)

If an acrobat who weighs 800 N is clinging to a vertical pole using only his hands, neither moving up nor down, can we determine the coefficient of static friction between his hands and the pole? Explain your answer. Please, help. Thank you

57. English

I am both a quick worker and careful. is this a correct parallel sentence

76. science

In an atom, electrons ____. a.are located in the nucleus b.are paired with neutrons c. travel outside the nucleus d. are always in the same place in an atom I think its d right?

77. Applied Calculus

A rectangular box is to have a square base and a volume of 50 ft3. The material for the base costs 32¢/ft2, the material for the sides costs 10¢/ft2, and the material for the top costs 26¢/ft2. Letting x denote the length of one side of the base, find a

78. Chemistry

Calculate the pH of a solution that is 0.124 M C2H5NH2 and 0.124 M C2H5NH3Cl. (Assume that the solution is at 25°C.)

79. Chemistry

Calculate the pH after 0.016 mole of NaOH is added to 1.05 L of a solution consisting of 0.138 M HONH2 and 0.127 M HONH3Cl, and calculate the pH after 0.016 mole of HCl is added to 1.05 L of the same solution of HONH2 and HONH3Cl. (Assume that all

80. calculus

find the exact length of the curve y = ln(1-x^2), 0

81. Math

A trainer for a professional football team keeps track of the amount of water players consume throughout practice. The trainer observes that the amount of water consumed is a liner function of the temperature on a given day. The trainer finds that when it

82. Soc. Studies

How were the abolitionist and women's rights movements related? A.The abolitionist movement was patterned on the women's rights movement. B.The two movements competed for resources. C.The two movements had entirely opposing underlying philosophies. D.Many

83. Math

The cost C in dollars of producing n yearbooks is represented by the equation C=1000+5n How much would it cost to produce 75n yearbooks?

84. Physics

Three parallel plate capacitors (C1,C2 and C3 ) are in series with a battery of 100 V. C1=2500 micro Farad; C2=2C1 , C3=3C1 . (a) What is the potential difference over each capacitor and how much charge is on each capacitor? Across C1 :V1 (in Volts) =

85. writing

how to start a paragraph using sports as a topic sentence. i need ideas please?

86. biology

The micelle and the liposome are two structures formed by phospholipids in an aqueous environment. They are represented here in cross section. The letters A, B, C, and D represent different regions. Four different molecules are shown below. For each,

87. trig

A road runs from the base of a mountain. From two points 235 meters apart on the road, the angles of elevation to the top of the mountain are 43 and 30. how high above the road is the mountaintop?

88. science

Two tiny spheres carrying the same charge are 1.4 meters apart in a vacuum and experience an electrical repulsion of 9.6 N. What is their charge?

89. Chemistry

The number of moles NaOH needed to reach the equivalence point is mol, which means we must add liters of NaOH. The total volume of solution at the equivalence point will be liters. From the above information, the molarity of NaF at the equivalence point is

90. math

The length of time that it takes for a pendulum to make one complete swing depends on the length of the pendulum. The time in seconds, T, is related to the length in meters, L, through the equation: T=2π√((L)/(9.8)) [it is all under square root] Q1:

91. english

6. Anxiety is to test as procrastination is to: A. online learning. B. time management. C. goal setting. D. reading I'm confused between B, C 7. The first step toward making a change in time management is to: A. keep your eye on the clock. B. enlist

92. English

Parallel Structure?....Benjamin Franklin was both a statesman and an inventor.

93. biology

The Dopamine molecule cannot make ionic bonds. Edit the dopamine molecule so it now can make ionic bonds.

94. English 11

Can you guys please help me with these questions???? The story is "The Celebrated Jumping Frog of Calaveras County" by Mark Twain. It has to be turned in today 1. Explain how the character Wheeler fits the setting of this story. 2. Explain why Andrew

95. Physics

A circuit consists of 5 resistors and 3 batteries (see diagram); the connecting wires have all a negligible resistance. The values for R1 , R2 , R3 , R4 , and R5 are 14 Ω, 41 Ω, 68 Ω, 83 Ω, and 110 Ωrespectively. The batteries have a negligible

96. maths

onvert the following to scientific notation: (i) the distance to the sun, 149 500 000 000 m (ii) the wavelength of yellow sodium light, 0.000 000 5893 m (iii) the radius of an atom, 0.000 000 000 2 m

97. physics

A transport plane takes off from a level landing field with two gliders in tow, one behind the other. The mass of each glider is 700 {\rm kg}, and the total resistance (air drag plus friction with the runway) on each may be assumed constant and equal to

98. geometry

If the measure of ÐDAB = 50°, and ÐDAC = 20°, what is ÐCAB?

99. Calculus

A manufacturer produces bolts of fabric with a fixed width. The quantity q of this fabric (measured in yards) that is sold is a function of the selling price p (in dollars per yard), so we can write q = f(p).Then the total revenue earned with selling price

100. English

Is this correct parallel structure?... When the movie Star Wars premiered in 1977, it was both surprising and a revolution in its special effects....

101. English

Is this correct parallel structure?... When the movie Star Wars premiered in 1977, it was both surprising and a revolution in its special effects....

102. MATH- HELP

If you multiply 100!*200!*300!, how many 0s are there?

asked by K - NEED HELP
103. Science

Two children, m1 = 50 kg and m2 = 55 kg, and a plastic sled of mass 35 kg start at rest and slide for 5.0 s down a hill. The force of gravity pulling the children and sled down the hill is 470 N but the snow provides a frictional force of 325 N. At the

104. maths-trignometry

The value of (secpi/7)+(sec3pi/7)+(sec5pi/7) is

105. Chemistry

What mass of silver chloride can be prepared by the reaction of 160.0 mL of 0.25 M silver nitrate with 110.0 mL of 0.20 M calcium chloride? Calculate the concentrations of each ion remaining in solution after precipitation is complete. (Enter a 0 if none

106. geometry

Alexa has 200 square inches of wrapping paper left. Which is the side length of a cube she could not cover with the paper?

107. Chemistry

Calculate the pH of a solution formed by mixing 124.8 mL of 0.481 M KF and 130.7 mL of 0.084 M HClO3.

108. Chemistry

Consider the titration of 41.5 mL of 0.213 M HCl with 0.123 M KOH. Calculate the pH of the resulting solution after the following volumes of KOH have been added. (Assume that all solutions are at 25°C.) (a) 0.0 mL (b) 10.0 mL (c) 40.0 mL (d) 80.0 mL (e)

109. Geometry

A jet is cruising at 360 mph and at an elevation of 34650 feet and on course to pass directly over a golf course. A man on the seventh green sees the jet and quickly calculated the angle of elevation to be five degrees. How long until the jet passes

110. Science

At a given temperature and pressure, the volume of a gaseous sample is directly proportional to the moles of gas (volume = C * moles, where C is a constant). Assuming that the tempreature and pressure is the same for the reaction of magnesium with HCl(aq)

111. social studies

Which of the resolutions at Seneca Falls Convention was most inspired by women’s inability to own property? A.desire for improved education in order to understand property contracts B. belief that women should have voting rights in order to change

112. Physics 11

A man jumps from a great height and falls freely to the Earth. Another man jumps from the same height 1 s later. How much are the two men separated by, 2 s after the second man jumps? I'm not sure exactly how to tackle this question. I'm sure I'm making it

113. math

Rafael walked mile 2/3 mile and then rode his scooter 5/6 mile. Look at the models to compare the distances. Which distance is farther?

114. Thermodynamics

Water vapor was flowing through the pipeline at 0,8 MPa pressure and 250 °C temperature. A cylinder-piston mechanism with a spring was attached to the pipeline with a closed valve. The valve was opened and the pressure inside the cylinder increased up to

115. algebra

A boy walked for 4 hours and cycled for 3 hours,covering a total distance of 74 kilometers,later he walked for 2 hours and cycled for 4 hours ,covering 82 kilometers,what were his average speed of walking and his average speed of cycling if his speed was

116. Physics

Review Conceptual Example 2 as an aid in understanding this problem. A velocity selector has an electric field of magnitude 2607 N/C, directed vertically upward, and a horizontal magnetic field that is directed south. Charged particles, traveling east at a

117. Calculus

I'm extremely confused on what to do in part a of this question. Consider the curve given by x=3sin(theta), y=1+2cos(theta), 0

118. Science

Two children, m1 = 50 kg and m2 = 55 kg, and a plastic sled of mass 35 kg start at rest and slide for 5.0 s down a hill. The force of gravity pulling the children and sled down the hill is 470 N but the snow provides a frictional force of 325 N. At the

119. English III

Which of these was not a prime reason why Whitman chose to write in free verse? A. to express his individuality B. to celebrate democracy C. to convey a sense of freedom D. to imitate earlier poets he admired

120. english

what is smooth in this sentence The lake is finally smooth tonight after everyone rode jet skis and boats.

121. Art

This art movement presents a celebration of the American wilderness and the West. A.American seascape painting B.American landscape painting C.American portraits D.pioneer painting my choice - D...?

122. English

I split this sentence into 2 parts is the colon use correct between football and There's? I love college football: There’s nothing like the sound of a fully packed stadium.

123. 3rd math

a clock starts at 5:05. what time is it after the minute hand rotates 12 degrees

124. Chemistry

Indicate the concentration of each ion or molecule present in a mixture of 45.5 mL of 0.274 M NaCl and 65.5 mL of 0.0246 M (NH4)2CO3. Assume that the volumes are additive. [Cl-] [NH4+] [CO32-]

125. math

how do i round each of the folllowing to one significant figure and then 'name' that number: 2^200 20^20 please help and thank u so much if u do!

182. unisa

Pls help me out don't knw hw to ryt ds assinment

183. Medical biling and coding

can someone please help with this question 16. Which of the following is true about the ICD-10-CM? A. An eighth character was added. B. There are combination diagnosis/symptom codes. C. There are limited injury codes. D. There's additional information

INPUT X Output Y 1 -1 2 -2 3 -3 write a rule for the function table to many years for this mommy to help can someone help me explain this

185. maths

integration of upperlimit 1and lower limit -1 the function 2x+3/(x^3=3x +4)dx

186. geometry help!!

A parallelogram ABCD has perimeter equal to 124. Let E be the foot of the perpendicular from A to BC, and let F be the foot of the perpendicular from A to CD. If AE=7 and AF=24, what is the area of the parallelogram?

Input X Output Y 1 1 3 9 5 25 write a rule for each function table 8x - 15 is this correct??? HELP

188. english

What is the simple predicate in the sentences? 1. I ran all the way to your house would it be ran 2. Please help me with my homework would it be homework

189. Enlish

Hi it's Bernie again. Does this sentence look correct with the quotation marks and comma. Harold wrote, “I regret that I am unable to attend the fundraiser for AIDS research." His letter however, contained a substantial contribution.

190. Biology

Why are simple sugars required for metabolism? What makes them so important?

191. math

4x-y-3z=8 2x+2y-z=3 6x+y-3z=2 help me solve matrices

192. calculus

A new college textbook edition typically generates most of its sales in the year of its publication. Sales drop off in subsequent years as a result of competition from the used book market. Suppose that the annual sales of a particular textbook may be

193. math

consider the minimum payment you just calculated determine the amount of interest and the amount that was applied to reduce the principal?

194. Physics

Consider a capacitor made of two square plates of side l. The distance between the two plates is d . (a) We insert a dielectric of dielectric constant K>1 and width l a distance x (as in the diagram). What is the total capacitance of this arrangement?

195. arithmetic

If I cut a cake in 20 pieces & I ate 3/5 of the pieces , how many pieces did I et

196. math

what is the largest 4 digit number that can be written with a 3 in the hundreds place and no digit used more than once

197. calculus

A new college textbook edition typically generates most of its sales in the year of its publication. Sales drop off in subsequent years as a result of competition from the used book market. Suppose that the annual sales of a particular textbook may be

198. turnford

prove the following 2 cosec 2θ cos2θ = cotθ - tanθ

199. maths

An observer on top of a building 66 metres high,finds the angle of elevation to the top of a taller building to be 34 degrees.The angle of depression to the foot of the same building is 51 degrees.If the buildings are on the same ground level find the

200. CALculus

A train driver is driving along and he suddenly puts on the brakes. After he holds the brakes for t seconds, the train's sliding distance can be measured as d(t)=30t−0.6t^2 (in meters). When the train stops, how far did the train slide (in meters) after

201. Physics

A 40 lb football player runs at 12 mph into a 60 lb player(initially at rest). How fast do the two move after the collision?

202. English II

In the space provided, write a paragraph of cause and effect. You may use one of the topics below or one of your own choosing. Mention at least three causes and their three effects. -friendship as a two-way street -television and preschoolers -vitamin

203. English II

The following paragraph is quite sketchy. Provide additional support for the topic sentence, and revise the whole paragraph so that you can answer yes to each of the questions in Lesson 6. Type the paragraph in the space below. Newspapers are great. Many

204. Chemistry

Calculate the pH after 0.013 mole of gaseous HCl is added to 272.0 mL of each of the following buffered solutions. (Assume that all solutions are at 25°C.) (a) 0.080 M C5H5N and 0.19 M C5H5NHCl (b) 0.72 M C5H5N and 1.52 M C5H5NHCl

205. English

1. I want strongly to go abroad some day. 2. I strongly want to go abroad some day. 3. I want to go abroad strongly some day. (Are the three sentences grammatical? Do they have the same meaning? ... I appreciate your help... Have a good time.)

206. math

need a function table for this problem x^3-3=y

207. stats

use dependent samples t test. Set hypothesis so what formula will I use to solve Five people who were convicted of speeding were ordered by the court to attend a workshop. A special device put into their cars kept records of their speeds for two weeks

311. Algebra

How many distinct prime factors does 100100 have?

312. social studies

why must people be careful with non rewable resources

313. ...

Does anyone know why I'm so cold and my arms and legs hurt? And why my head hurts? It just started today at like the afternoon

314. math

Square root of xandy

315. Calc

could i get this step by step pls lim (20x + 400)/(x) as x->∞

316. calculus

Given ƒ(x) = 2x^2 - 3x - 1 find the slope and equation of the tangent line to ƒ at the point (1, -2)

317. accounting

24000 pounds of product a can be sold for \$8 per pound

318. True/False

A function is continuous at a point if its limit exists at that point. I think it's false because of the counterexample of one-sided limits?

319. statistics

The Engineering Department Claims the Average Battery Lifetime is 500 Minutes. You wish to check whether the lifetime is different from 500 Minutes. What type of hypothesis test is it going to be?

320. math

If two additional heart rates were added to the data, how would you get the mode to decrease?

321. Geometry

If EF=2x-19, FG=3x-15, and EG=26, find the values of x, EF, And FG

322. physics

At a fabrication plant, a hot metal forging has a mass of 74 kg and a specific heat capacity of 430 J/(kg·C°). To harden it, the forging is quenched by immersion in 710 kg of oil that has a temperature of 32°C and a specific heat capacity of 3000

323. mechanics

(a) A boat moves forwards at 10.0 ms-1. You walk across the deck at 1.5 ms-1 at an angle of 30„a (i) What is the forward component of your velocity relative to the boat? (ii) What is your total forward velocity?

324. math

The length of a rectangle is 5cm more than twice the width. The perimeter of the rectangle is 34 cm. Find the dimensions of the rectangle. So confused on how to do this problem please help me thanks.

325. chemistry

lewis structure of HOCH2S-

326. math

The dimensions of circle B are three times the dimensions of circle A. The area of circle A is 49 cm2. What is the area of circle B?

327. algebra

express R as rational expression 1/R=1/R2+1/R2+1/R3 R FOR R1=5 OHMS R FOR R2=4 OHMS R FOR R3=10 OHMS

328. Math (algerba 1)

(4 X 10 to the -5th power) to the 2nd power. How would I solve this?

329. math

Maria swims for 4/5 mile.Then she runs for 2/4.Which distance is farther?

330. English

Goal setting: A. is only important in online learning. B. gives direction and standards for achieving one’s purpose. C. is keeping in mind what you want to do. D. is simply writing what you want to achieve and then put it away. is it B

331. English

Setting goals is futile if: A. you do not stick to it. B. you are committed. C. you are only motivated by others. D. you do not do it right. i think its A right?

The ______ system uses all of your body’s senses to help maintain homeostasis. Is the answer "control"? Or is it "endocrine"?

333. english

please what is the reader responses in life is funny is a story

Describe a business situation, other than what has already been selected by fellow students or selected from the team assignment, where mean and standard deviation can be used in decision making. Describe how calculation of mean and standard deviation can

335. Math

If you multiply 100!*200!*300!, how many 0s are there?

336. Math question

I know these really well, but ive tried alot and couldn't get the same answer as the book.! 1-(3x/2)

337. english

2. Efficient time management is essential to get things done because time: A. is a limited resource. B. is stressful. C. costs money. D. is a way to control our disorganization. is it D 3. One way to look at goal setting is: A. it is an exercise in

338. Music

I have this talent show slip I need to fill in for until next week. We need appropriate songs if we are going to sing or dance. I wanted to know if "Like a G6" is approapiate.