# Questions Asked onFebruary 27, 2011

1. ## English

Need some advice! What to do the with the class for the first time? I don't know the class and they don't know me. They are not children. The youngest person is 20 and the oldest around 35-40- There are 10 of them in the group and they are learning English

2. ## chemistry

how many grams of NaCl (molecular weight 58.5) should be used to prepare 20 liters of a solution containing 154mEq/L?

3. ## Chemistry

Copper (II) fluoride contains 37.42%by mass. Calculate the mass of fluorine(in grams)contained in 55.5 g of Copper(II) Fluoride.

4. ## chem

The volume of an adult's stomach ranges from about 50 mL when empty to 1 L when full.If its volume is 500 mL and its contents have a pH of 2, how many moles of H+ does it contain?

5. ## maths

A floor is covered by 800 tiles measuring 10 cm square.How many square tiles of side 8 cm would be needed to cover the same floor?

6. ## Physics

The initial kinetic energy imparted to a 0.1 kg bullet is 1036 J. The acceleration of gravity is 9.81 m/s2 . Neglecting air resistance, find the range of this projectile when it is fired at an angle such that the range equals the maximum height attained.

7. ## physics

a skateboarder is skating over a circular bump. she is at the top of the bump and is moving with a speed of 5m/s. Is the normal force exerted on the skateboarder by the bump greater than, less than, or equal to the weight of the skateboarder? explain.

8. ## English

As you know, Anne frequently refers to how much she appreciates and enjoys nature. Why is nature so important to Anne? What does nature represent that she so desires? How do Anne’s passages on nature in the diary affect her mood and affect the mood of

9. ## English

Briefly explain Anne’s relationship with her parents. How is her relationship with her father different from her relationship with her mother? What does each relationship tell you about Anne, her values, and her needs? (the book is the diary of a young

10. ## Chemistry

Consider the titration of a 35.0-mL sample of 0.175 M HBr with 0.200 M KOH. Determine the pH after adding 5.0 mL of base beyond the equivalence point.

33. ## physics

A phonograph record has an initial angular speed of 37 rev/min. The record slows to 10rev/min in 1.3 s. What is the record’s average angular acceleration during this time interval

34. ## Chemistry

Calculate the concentration of all species in a 0.15 M KF solution. Ka = 6.4 x 10-4 for HF.

35. ## Physics

A 16-kg child sits on a 5-kg sled and slides down a 143-meter, 30-degree slope, to the nearest m/s what is his or her speed at the bottom?

36. ## Chemistry

Consider a weak acid-strong base titration in which 25.0 mL of 0.100 M acetic acid is titrated with 0.100 M NaOH. a) Calculate the pH after the addition of 3.00mL of NaOH. b) What is the pH of the solution before the addition of NaOH (pKa of acetic

37. ## Math

A 5 feet long ladder leans against a wall and makes an angle of 65 degrees with the ground. find, to the nearest tenth of a foot, the distance from the wall to the base of the ladder.

38. ## Physics

How much work is needed to lift a 3 kg mass a distance of 0.75 m?

39. ## Physics

Calculate the speed of an 7.8×104 kg airliner with a kinetic energy of 1.0 × 109 J. Answer in units of m/s.

40. ## pre ap physics

** When s conducting sphere is charged positively, initially the charge is deposited on the left side. However, due to the sphere's conducting nature, the charge spreads uniformly throughout the surface of the sphere. Charge is uniformly distributed

41. ## physics

if you attach a mass to the spring from its initial equilibrium position, it vibrates forever in simple harmonic motion. Why doesn't it come to rest after stretching by a distance 'd'; proportional to the weight of the mass, when the spring's restoring

42. ## chemistry

The simple rule “Like dissolves like” is often used to describe the solubility of a substance in different solvents. Write a short paragraph discussing your evidence for this rule. Include in your discussion where you think this rule works best and

43. ## geometry

A board that is 12 feet long must be cut into 2 pieces that have lengths in a ratio of 3 to 2. Find the lengths of the two pieces.

44. ## Cheistry

When acetone is added to saturated sodium chloride, the equilibrium shifts toward the right. What is the role of acetone in shifting the equilibrium toward the right? any help would be appreciated. My TA is of no use in explaining our lab experiments.

45. ## Geometric

1) The sum of last three terms of GP having n terms is 1024 time the sume of first 3 terms of GP. If 3rd term is 5. Find the last term. 2) The sum of the first eight terms of a GP is five times the sum of the first four terms. Find the common ratio.

46. ## CHEMISTRY

Consider the reaction shown below. 4 PH3(g) P4(g) + 6 H2(g) If, in a certain experiment, over a specific time period, 0.0061 mol PH3 is consumed in a 1.9-L container each second of reaction, what are the rates of production of P4 and H2 in this experiment?

47. ## potential energy

An ideal spring has a spring constant k = 20.0 N/m. What is the amount of work that must be done to stretch the spring 0.70 m from its relaxed length?

48. ## Physics

Take the mass of the Earth to be 5.98 × 1024 kg. If the Earth’s gravitational force causes a falling 66 kg student to accelerate downward at 9.8 m/s2, determine the upward accelera- tion of the Earth during the student’s fall.

49. ## Calc: Difference quotients

"Use difference quotients with delta(x)=0.1 and delta(y)=0.1 to estimate fx(1,3) and fy(1,3) where f(x,y)=e^(-x)sin(y)." I don't know how to solve this problem. Could someone walk me through it? Thank you so much!

50. ## Physics

A children’s roller coaster is released from the top of a track. If its maximum speed at ground level is 8 m/s, find the height it was released from.

51. ## Statistics and Probability

Suppose a basketball player successfully makes 70% of the free throw shots they attempt. Let X represent the number of successful attempts in 120 independent attempted free throws. (A) What is the true probability distribution of X? (B) Find the mean and

52. ## Yr 10 PE

I don't seem to understand this question can you please paraphrase this. Task Outline: Outline the purpose of ONE health promotion initiative related to road safety, assess the effectiveness of this initiative and justify funding for road safety

53. ## Permutation

In how many ways can 5 boys and 5 girls be seated around a table so that no 2 boys are adjacent?

54. ## Missouri

Calculate the mass of 2.50 x 104 molecules of nitrogen gas?

55. ## Chemistry

Calculate the mass of silver metal (Ag) produced from the reaction of 5.58 grams of copper metal (Cu) according to the following reaction: Cu(s) + 2AgNO3(aq) --> Cu(NO3)2(aq) + 2Ag(s)

56. ## Physics

A billiard ball of mass m = 0.150 kg hits the cushion of a billiard table at an angle of θ1 = 60.0° at a speed of v1 = 2.50 m/s. It bounces off at an angle of θ2 = 47.0° and a speed of v2 = 2.20 m/s. a) What is the magnitude of the change in momentum

57. ## Math

The number of calls received by a car towing service averages 14.4 per day (per 24 hour period). After finding the mean number of calls per hour, find the probability that in a randomly selected hour the number of calls is 0

58. ## geometrY

to estimate the height of a tree, Dave stands in the shadow of the tree so that his shadow and the tree's shadow end at the same point. Dave is 6 feet 4 inches tall and his shadow is 15 feet long. If he is standing 66 feet away from the tree, what is the

59. ## Physics

Part 1 You are a pirate working for Dread Pirate Roberts. You are in charge of a cannon that exerts a force 10000 N on a cannon ball while the ball is in the barrel of the cannon. The length of the cannon barrel is 2.47 m and the cannon is aimed at a

60. ## managerial accounting

Department A had 10,000 units in work in process that were 30% converted at the beginning of the period at a cost of $10,000. During the period, 15,000 units of direct materials were added at a cost of$60,000, 16,000 units were completed, and 9,000 units

61. ## physic

A 1.0-kg steel ball and a 2.0-m cord of negligible mass makeup a simple pendulum that can pivot without friction about thepoint O, as in the picture below. This pendulum isreleased from rest in a horizontal position, and when the ball isat its lowest point

62. ## Physics

Rosie (mass 58 kg) pushes a box with a horizontal force of 120 N (26.976 lb) at a speed 25 m/min. What is Rosie’s power output? Answer in units of W

63. ## Algebra

Solve the problem. A salesperson gets a commission of $600 for the first$10,000 of sales, and then $300 for each additional$10,000 or partial of sales. Let S(x) represent the commission on x dollars of sales. Find the value of S(45,000)

64. ## geometry

for that some problem: A board that is 12 feet long must be cut into 2 pieces that have lengths in a ratio of 3 to 2. Find the lengths of the two pieces. arn't you solving two parts because the board was cut in two?

65. ## Ap Chemistry

explain the difference in boiling points of acetone and 1 proponol. (proponol higher) also explain the difference in water solubility of chloroethane and acetone. (acetone is soluble but not chloroethane)

66. ## Math

The volume of a cylinder is 1256 meters. The height is 13 meters. Diameter is x. What is the diameter?

Determine the values of a M and N , so that the polynomial 2x^3+mx^2+nx-3 and X^3-3mx^2+2nx+4 are both divisible by x-2. I am so lost, i do not know how to start this problem! please help i have a test soon!

Determine the values of a M and N , so that the polynomial 2x^3+mx^2+nx-3 and X^3-3mx^2+2nx+4 are both divisible by x-2. I am so lost, i do not know how to start this problem! please help i have a test soon!

69. ## physics

AHHHHHH Help!! Mass on string of unknown length oscillates witha period of 6.0s What if string length is doubled? amplitude dbl?

70. ## Physics

Part 1 You are a pirate working for Dread Pirate Roberts. You are in charge of a cannon that exerts a force 10000 N on a cannon ball while the ball is in the barrel of the cannon. The length of the cannon barrel is 2.47 m and the cannon is aimed at a

71. ## science

A ball is thrown horizontally from a cliff a 8 m/s. How fast is it moving 2 s later?

72. ## phsyics

Light enters a plate of borosilicate crown glass at an angle of 40.2 degrees  with respect to the nor- mal to the air-glass surface. If the index of refraction of the glass is 1.52, find the angle made by the refracted beam with the normal. Answer in

73. ## math

an unbiased coin is tossed 3 times. find the probability that the coin lands heads exactly once.

74. ## statistics

The population of SAT scores forms a normal distribution with a mean of µ =500 and a standard deviation of Ïƒ =100. If the average SAT score calculated for a sample of n = 25 students, a. What is the probability that the sample mean will be greater than

75. ## Physics

Physics question on identify the reaction? I am having trouble with the question a, b, and c in this physics problem: One or more external forces are exerted on each object enclosed in a dashed box shown in the figure below. Identify the reaction to each

The Great Gatsby Movie Discussion Questions? Compare and contrast Gatsby's social class with that of Tom and Daisy Buchanan. How does geography contribute to the definintion of social class in The Great Gatsby? What part of his past is Gatsby trying to

77. ## Directional derivative

"Find the directional derivative fu(1,2) for the function f with u = (3i-4j)/5 for f(x,y)= x^(2) - y^(2)." Thank you!

78. ## Physics

A student uses a spring to launch a marble vertically in the air. The mass of the marble is 0.002 kg and when the spring is stretched 0.05 m it exerts a force of 10 N. What is the maximum height the marble can reach?

79. ## physics

A(n) 0.163 kg baseball is thrown with a speed of 9.37 m/s. It is hit straight back at the pitcher with a final speed of 16.7 m/s. What is the magnitude of the impulse de- livered to the ball? Answer in units of kg · m/s.

80. ## math

Write an expression for the sum of the squares of two consecutive integers. (Use x for the integer.) 1 Simplify that expression. 2

81. ## Physics

A student uses a spring with a spring constant of 130 N/m in his projectile apparatus. When 56 J of potential energy is required to launch the projectile to a certain height, what is the compression in the spring?

82. ## Chemistry

The pH of a 0.065 M solution of a weak base is 11.70. What is the value of Kb for this base?

83. ## English

In an entry dated July 15, 1944, Anne writes the following: …in spite of everything I still believe that people are really good at heart. I simply can’t build my hopes on a foundation consisting of confusion, misery, and death. I see the world

84. ## English

I am trying to analyze Wendi Kaufman's "Helen on Eighty-Sixth Street." I do not understand what Vita's mother means when she says "Truth is beauty and beauty is truth..." Please explain the meaning of this quote.

85. ## Chemistry

you have75.0ml of 2.5 M Solution of Na2CrO4(aq). You also have 125ml of a 1.74M solution of AgNO3(aq)Calculate the concentration of NO3 when the two solutions are added together

86. ## Physics

An m = 6.80-kg clay ball is thrown directly against a perpendicular brick wall at a velocity of 22.0 m/s and shatters into three pieces, which all fly backward, as shown in the figure. The wall exerts a force on the ball of 2670 N for 0.110 s. One piece of

87. ## math

A rectangle is 4 inches wide by 7 inches long. When the length and width are increased by the same amount, the area is incresed by 26 square inches. What are the dimensions of the new rectangle?

88. ## Biochem - Diabetes

Type 1 diabetic injected insufficient insulin so her body can’t use glucose in blood. Blood glucose is 38 mM (normal value = 3.3-5.8 mM). To adjust osmolality, she increased urine output = dehydration. Should she be treated with water? The answer is NO

89. ## Laws of Motion

A student stands on a scale in an elevator that is accelerating at 2.8m/s^2. If the student has a mass of 94 kg, to the nearest newton what is the scale reading?

90. ## chemistry

If 5.00 g of steam (H2O)(g) at 100 C condenses to liquid water (H2O)(l) that is cooled to 50.0 C, how much heat is leberated in calories and kilocalories?

91. ## Math(Urgent)

Compute the maximum product for two positive numbers x and y with the property that the sum of the first plus five times the second is 5000. 1) Indicate the objective equation 2) Indicate the constraint equation So the objective = f(x)=xy and the

92. ## Math

Find the unit price and tell which is the better buy: Buy one 10 pack of AAA batteries for $5.49 and get one free, or buy two 4 packs for$2.98.

93. ## Chemistry

Consider the reaction: 2CO2(g)=2CO(g) + O2(g). A reaction mixture in a 5.0 L flask at a certain temperature. At equilibrium there are 85 g of CO2(g), 1.20 g of CO, and 0.688 g of O2(g). Calculate Kc.

94. ## ap chem

ok, i'm given: Ethylene Glycol C2H6O2 is the main ingredient in antifreeze. density of pure EG: 1.132 g/mL Anti-freeze is 32% by volume EG I have to find: Volume of Eg in 1 L Mass of Eg in 1 L & the Volume of "solvent" in 1 L Can someone help me? and give

95. ## chemistry

describe an alternative method to prepare a 0.2M potassium phosphate buffer using KH2PO4 and KOH

96. ## Physics

The initial kinetic energy imparted to a 0.1 kg bullet is 1036 J. The acceleration of gravity is 9.81 m/s2 . Neglecting air resistance, find the range of this projectile when it is fired at an angle such that the range equals the maximum height attained.

97. ## Calc

The directional derivative of z = f(x,y) at (2,1) in the direction toward the point (1,3) is -2/sqrt(5), and the directional derivative in the direction toward the point (5,5) is 1. Compute dz/dx and dz/dy at (2,1). I have no idea how to solve this

98. ## science

what could you infer about the area where you find pecten fossils?

99. ## Chemistry

If each of the salts listed in A through E were dissolved in water to make a 0.1 M solution, which solution would have the lowest pH? a. NaNO2 b. NaF c. AlCl3 d. KNO3 e. Na3PO4

100. ## Chemistry

Calculate the pH of a solution that results from the mixture of 50.0 mL of 0.15 M HCOOH with 75.0 mL of 0.13 M HCOONa. Now, don't forget these solutions are being mixed and you haven't accounted for that yet in the concentrations! Ka for HCOOH is 1.8 x

"Find the gradient of the given function: z = xe^(y). Assume the variables are restricted to a domain on which the function is defined." Thanks for the help!

142. ## rfvv

1. You can read whatever magazine you like. 2. You are able to read whatever magazine you like. 3. You may read whatever magazine you like. 4. You are allowed to read whatever magazine you like. (Does #1 mean #2 or #3?)

168. ## Physics

A bottle has a mass of 34.20 g when empty and 91.91 g when filled with water. When filled with another fluid, the mass is 86.24g . What is the specific gravity of this other fluid?

169. ## phyics

A mechanic pushes a(n) 3980 kg car from rest to a speed of v, doing 5107 J of work in the process. During this time, the car moves 29.3m. Neglect friction between car and road. Find the speed v. Answer in units of m/s.

170. ## chemistry

What is the pH of a solution prepared by dissolving 7.5g HCl in water to make 375mL of solution?

171. ## Physics 102 (College)

I'm stuck on part B of this question: A system does 125 J of work on environment and gains 79 J of heat in the process. Find change in internal energy (delta U, abbreviated dU)of a. the system and b. the environment. A. Find dU of the system W = 125 J Q =

172. ## Physics 102 (College)

I'm stuck on part B of this question: A system does 125 J of work on environment and gains 79 J of heat in the process. Find change in internal energy (delta U, abbreviated dU)of a. the system and b. the environment. A. Find dU of the system W = 125 J Q =

173. ## cosines

I don't know how to reverse cosine decimals into angles. Can you please explain and help me solve these . cos A= 0.28571428571 A= cos B= 0.66666666667 B= cos C= 0.5238089523

174. ## Social

How does capital help human productivity in relation to farm labor, office help, teaching, or government administration? I know capital is a source of income/money and it provides funding for school and teachers. How does it affect the government

175. ## science

what is the answer to the problem .003m = mm?

176. ## trig

if cos(pi/4) is sqrt2/2 i thought sec(pi/4) is 2/sqrt 2,but its just sqrt 2 . can some one please explain.

177. ## Mathematics (Help? Please. )

Two parallel lines are cut by a transversal. Angles A and B are adjacent exterior angles. Angle A measures 87 degrees. What does Angle B measure?

178. ## Physics

A block of mass 5 kg, which has an initial speed of 3 m/s at time t = 0, slides on a horizontal surface. Find the magnitude of the work that must be done on the block to bring it to rest. Answer in units of J.

179. ## psychology

There are many social and cultural contexts you interact with that strongly influence development. These contexts include people you interact with daily, neighborhood factors, and larger scale social and cultural variables. In order to fully understand how

180. ## Math

Could someone please help me to identify what type of misrepresentation or misuse have demonstrated by the statement below. Here are choices only one of them connects with this statement: Which one? “…male children born to women who smoke during

181. ## Science

What minimum acceleration must it engines produce if the airoplane has become airbome after starting from rest and travelling a distance of 300m on the runway

182. ## Chemistry

Why is it desirable in the method of back-titration to have a considerable amount(more than 10mL) of acid added in excess?

183. ## English

Punctuation Correction please! As we have discussed, the Spanish Club wants to sponsor a summer study trip to Spain. If our initial surveys are correct, the number of students wishing to participate in the summer study group will exceed 15.

184. ## English

Correct punctuation, please. Attached is a list of guiding principles drawn up by the Spanish Club Council for the students to follow while in Spain. We appreciate your support and we will keep you informed of the progress of our plans for the Spain summer

185. ## math

Please help me... How do I express the following products in scientific notation?? 1)(2.964 x 10^8) divided by (52 x 10^2) 2)(24.5 x 10 ^ negative 8) divided by (3x10^2) 3)(8.1 x 10^ negative 9) x (4 x 10^2)?

186. ## algebra

Find the number of square units in the area of the region in the first quadrant which is bounded by x = 4, the y-axis, y = 2, and y = 8.

187. ## Algebra 1B

How do I solve \sqrt{\frac{33xy^{3}}{\sqrt{3x}}}? I am getting so confused and I need help please!

188. ## Math

If class starts at 11:50 and lasts 1 hour 40 min how do you write a math equation?

189. ## Week 4 COM155

Second, write five sentences in which you address changes in your writing. I'm not exactly sure where to start with this one? The weeks readings were on word use, commonly misused words, and spelling. I'm not asking for any answers I just am not sure what

190. ## physics

A 65 kg object is dropped from rest a distance of 4.3m onto a spring with a stiffness coefficient of 6.2x10^4n/m. How far is the spring compressed?

191. ## physics

If a masss of 65kg is dropped 4.3m onto a spring with a stiffness coefficient of 6.2x10^4 n/m, how far is the spring depressed?

192. ## Mathematics

Patrick has a summer job passing out flyers for a store. Each flyer weighs about 0.55 ounce. If he is given a bundle of flyers that weighs 16.5 Ibs , how many flyers must he pass out ? [ Help or Answers are appreciated greatly. Thank you. ]

193. ## algebra

Graph the following equation: clculte the slope, x-intercept, and y-intercept, and label the the intercelts on the graph. problem: Find an equationin slope-intercept form passing through the points (2,5) and ( 7,-3). (2+5)/(7+ -3) = 7/4 so y = (7/4)x +b

194. ## Chemistry

Decomp. of H2O2 with Catalase.I am trying to use the Arrhenius equation in my coursework, but i am struggling to get it to work. I have substituted most of the information in, such as activation energy(23000J), and gas constant(8.314x10-3) etc. The issue

195. ## energy

one litre of liquid methanol will occupy how much volume in the state of vapour at 60 deg. Celsius?

196. ## History

The Inuit people of North America are all _______________

The coefficient of kinetic friction between a suitcase and the floor is 0.26. If the suitcase has a mass of 70.0 {kg}, how far can it be pushed across the level floor with 680 {J} of work?

198. ## Calculus

Let f(x)= (1/x). Use the limit definition of derivative to find f'(x). My professor's answer is: -1/x but I keep getting: -1/x^2 what do I have to do to get that answer?

199. ## Ms. Sue

Ms. Sue Ive done my journal entries for the immigrant experience thing, and theres just one more thing I have to add at the end-- How has the land-granting system encourages speculation? I don't really know what to say--I was thinking of just ending it

218. ## algebra

how do you solve 140 s + 120 p = 1540 if your trying to figure out how many cups of juice there is for strawberry and pineapple if it has 120 calories & the strawberry one only has 140 ?

219. ## English

I learned that handling behavior in a science lab is easy to do as long as the ground rules have been laid out for the students. Is this sentence correct?

220. ## Statistics

To determine whether themean nicotine content of a brand of cigarettes is greater than the advertised value of 1.4 milligrams, a health advocacy program tests: Ho: mu = 1.4 Ha: mu > 1.4 The calculated value of the test statistic is z = 2.42. ==> How do I

221. ## Math

A stick 80 centimeters long makes a shadow that is 50 centimeters long. At the same time of the day, the shadow of the tower is 25 meters long. How high is the tower?

222. ## English

Please help Correct punctuation and spelling only. Thanks! We have received medical information from Midvale Clinic, and copies of all the documents we received are enclosed. We received nothing from Dr. Best, and the only items we received from Dr.

223. ## english

Please Help correct punctuation & spelling! Thank you! I tried to call you about the above case, but learned that you were out of town and will not return until Wednesday. You wrote to me on June 1 to ask what authority I had or could get to settle this

224. ## Math

How do you find the turning point of a quadratic equation? (The Formula)

225. ## Chemistry

If the surface area of a liquid is increased will the rate of evaporation increase?

226. ## english

Please correct punctuation and spelling errors. Thank you! We have an appointment with Representative Howard at 1:30 p.m. on Tuesday, August 1, in Room 209 at the Capitol in Nashville. Our appointment will precede the General Committee meeting in room 7 of

227. ## ITE

What is the defenition for research?

228. ## math

Solve the following system of linear equations by graphing. (If the system has no solution, enter NONE for each answer. If the system is dependent, enter INFINITELY MANY for each answer.) 7x+2y=0 2x-7y=0 x = y =

229. ## Math

how to multiply amd simplify of -8/63 x 21/32 x -9/42 = Pleas show work or give examples of simular problems

230. ## Algebra

The five-digit number 31d26 ----- is divisible by 3. Find the sum of all possible values of d.

231. ## Math

Find the critical values of P(x) p(x)= (28+x)(8-x/4) the answer was p=244-7x+8x-x^2/4 p=-x^2/4 + x + 244 p'= -x/2 +1 = 0 X=2 My question is, I do not understand how they got -7x + 8x at the beginning. I know (28)(8)=244 but I do not get the rest.

233. ## Chemistry

If I have 6 mol of N2 and 12 mol of H2 to yeild ammonia, which chemical is in excess and by how much?

234. ## chemistry - human calorimeter

From experience, you know that you produce significantly more heat when you are exercising than when you are resting. Scientists can study the heat that is produced by human metabolism reactions using a ‘human calorimeter.’ Based on what you know about

235. ## calc

Can someone please show me how to find the integral of sin squared x?

236. ## Chemistry (Math)

A chemist pours 200 grams of a liquid (density = 2.5 gm/mL) into a cube beaker with 5 cm edges and a graduated cylinder with a base radius of 5 cm and a height of 5 cm. What is fraction of the liquid that needs to be put in the graduated cylinder such that

363. ## calculus

determine the domain for each function f(x)=x-6, g(x)=3x^(2)

364. ## math

give exact and approximate solutions to three decimal places y^2-12y+36=4

365. ## Arithmetic

Given that 3, b, c and 18 are an AP. Find the value of b and c.

366. ## College Algebra

need help in solving how many miles can i drive on 60 gallons of gas, with the Mpg 30 in the city, and 42 highway. I would like all the steps, never had algebra before, so i am very lost.