# Questions Asked onDecember 16, 2011

1. ## Calculus

Given a right circular cone, you put an upside-down cone inside it so that its vertex is at the center of the base of the larger cone, and its base is parallel to the base of the larger cone. If you choose the upside-down cone to have the largest possible

2. ## english, can you check over my answers? thanks!

I have answered these questions, but would like someone to review them.. can you please check the answers that i've chosen? thanks in advance! Identify the function of the infinitive in the sentence. Choose from the following: subject, direct object,

3. ## Calculus

Find the point on the graph of y = x^2 + 1 that’s closest to the point 8, 1.5. Hint: Remember the distance formula.

4. ## Calculus (Optimization)

A rectangular piece of cardboard, 8 inches by 14 inches, is used to make an open top box by cutting out a small square from each corner and bending up the sides. What size square should be cut from each corner for the box to have the maximum volume? So far

5. ## Calculus (Optimization)

The U.S. Post Office will accept a box for shipment only if the sum of the length and girth (distance around) is at most 108 inches. Find the dimensions of the largest acceptable box with square ends.

6. ## chemistry

using VSEPR THEORY explain why 1)BF4- is a tetrahedral molecule 2)SF3+ is a Trigonal pyramidal molecule 3)ICI4- IS A SQUARE PLANER molecule 4IF5 IS A SQUARE pyramidal molecule 5)PF5 IS A TRIGNAL BIPYRAMIDAl molecule help Dr bob222

7. ## geometry

Find the image of O(–2, –1) after two reflections, first across the line y = –5, and then across the line x = 1. (1 point)

8. ## math

The base of an isosceles triangle is 4/3 cm.the perimeter of the triangle is 4 2/15cm. What is the length of either of the remaining equal sides

9. ## Algebra

The dosage in milligrams D of a heartworm prevention for dog who weighs x pounds is given by D(x)=136/25x. What is proper dose for dog that weighs 29 pounds?

10. ## calc

A kite 80 feet above the ground moves horizontally at a speed of 8 ft/sec. At what rate is the angle between the string and the horizontal decreasing when 100 ft of string have been let out?

11. ## CHEMISTRY

1.Calculate the enthalpy change (ΔHºrxn) for the following reaction: (The enthalpy of formation of aqueous sodium hydroxide is -469.60 kJ/mol. The enthalpy of formation of liquid water is -285.8 kJ/mol.) 2Na (s) + 2H2O (l) → 2NaOH (aq) + H2 (g) 2.Do

12. ## geometry

What translation rule can be used to describe the result of the composition of (x, y) (x – 9, y – 2) and (x, y) (x + 1, y – 2)? I am stuck can you please explain

13. ## Government

The selection of the vice presidential nominee at the national convention is based on: A.the results of the primaries and caucuses: The candidate who places second in these contests is nominated as the running-mate of the candidate who finishes first.

14. ## math

Your firm has the option of making an investment in new software that wil cost \$130,000 today and is estimated to provide the savings shown in the table over5 years. year savings estimate 1 \$35,000 2 50,000 3 45,000 4 25,000 5 15,000 should the firm make

15. ## calculus

Find an equation of the tangent(s) to the curve at a given point. Then graph the curve and the tangent(s). x = 6sin(t), y = t^2 + t; (0,0) How do I do this without the value of t? I don't see a way to eliminate the parameter.

16. ## statistics

The times taken to complete a statistics test by all students are normally distributed with a mean of 120 minutes and a standard deviation of 12 minutes. Find the probability that the mean time taken to complete this test by a random sample of 16 students

Consider the following argument. Is the argument inductive, deductive or concatenated? What can you tell me about the validity of the claim? What can you tell me about the cogency of the claim? Explain your reasoning using specific reference to the

18. ## science

what are the forces on two charges of +0.44c and +2.4c, if they are separated bu=y a distance of 3.16cm? repel or attract each other?

19. ## CHEMISTRY

How much heat is lost by 65g of silver when it cools from 325ºC to -25ºC? (the specific heat of Ag(s) is 0.24 J/g ºC)

20. ## geometry

Two forces are pushing on an object, one at 12 lbs of Force and one at 5.66 lbs of Force. The angle between them is 35° (each is 72.5 from horizontal, such that the forces make a v with the object in the center). 17. What is the total Force on the object?

21. ## statistics

Twenty percent of all adult males did not visit their physicians’ offices last year. The probability that less than 23% of adult males in a sample of 800 did not visit their physicians' offices last year is approximately:

Did I answer these correctly? 1.¿Dónde estuvieron tus padres ayer? Mis padres estuvieron en la casa. 2. ¿Anduvo ty papá en bicicleta ayer? Sí, mi papa anduvo en bicicleta ayer. 3. ¿Anduviste en bicicleta ayer? Sí, yo anduve en bicicleta ayer. 4.

23. ## Finance

Sydney saved 50 000 during her first year of work after college and plans to invest it for her retirement in 40 years how much will she have available for retirement of she can make 8 percent on her investment

24. ## ENGLISH

SCORE BY PHYLLIS GOTLIEB IN TWO PARAGRAPH DESCRIBE THE FICTIONAL WORLD CREATED IN SCORE

25. ## history

How did the oil crisis in the 1970s illistrate the problem of economic interdependence? 1. all nations rely on oil and when nations with oil resources underwent political crises, production was halted and prices soared, creating economic shock waves. 2.

26. ## socials

what be PM brian mulroneys goal with the regard to consititution? the goal be to build support from separatists in Quebec during the election campaign? what the difficulties for him to get every province to agree? every province have their own demands.

27. ## AP Statistics

Nurse practitioners are nurses with advanced qualifications who often act much like primary care physicians. Medical researchers wnat to design a study to compare the effectiveness of nurse practitioners and physicians. They recruit 1200 volunteer subjects

28. ## World History

Which statement BEST describes Vietnam int he years following the Vietnam war ? A.Vietnam was a country divided by communism and dominated y captialist investment. B.Vietnam was a country mired in prverty and unable to attract foreign captital. C.Vietnamn

29. ## algebra

please is this correct? write a direct variation equation that relates atoms of O oxygen to atoms of hydogen H Mary combined 8 atoms of hydrogen and 4 atoms of oxygen to get 4 molecules of water is this equation correct? O + 2H = WM

30. ## Word Problem Question

I would like to know if I am correct, so far. The amount P of pollution varies directly with the population N of people. City A has population of 494,400 and produces 260,000 tons of pollutants. Find how many tons of pollution we should expect City B to

31. ## precalc

what is the directrix and focus of the equation 1/16(y+4)^2=x-3

32. ## Chemistry

18.0 g of liquid water is initially at 0 C. How much heat, in kJ, must be added to transform this into 18.0 g of steam at 200 C? The heat capacity of liquid water is 75.3 J/mol C. The heat capacity of steam is 37.4 J/mol C. The heat of vaporization is

33. ## precalc

What is the transverse axis of the following equation? 25x^2+250x-36y^2-576y=2579

34. ## World History !

What world events led to the rising tide of economic nationalism that swept latin america during the late 1920 and 1930s? 1) the price of lati american exports to the united states rose during world war 1 and climbed even higher during the great

35. ## history

What foreign force cause the new republic of China to fall into chaos after 1912? A. The Silk Road was captured by Russian forces B. Foreign power increase their influence over Chinese affair C. The United State withdraw China's favored nation status D.

36. ## history

How did ghandi salt march illustrate his philosophy of civil disobedience? my choice is 1)the march began civilly with speeches by ghandi and other leaders who pledge to fast from eating products made with salt. 2)angered by the indian governments monopoly

37. ## history

Why did steps taken by the major powers to promote peace following World War 1 have limited effects? a)Treaties created alliances that had an unfair advantage over enemy nations. b)The League of Nations was run by dishonest and disreputable men. c)There

38. ## Calculus AB

The rate of growth dP/dt of a population of bacteria is proportional to the square root of t, where p is the population size and t is the time in days (0

39. ## history

How did hitler's economic policies affect germany before world war II? 1. economic conditions improved as businesses thrived, and unemployment was reduced. 2. unemployment rose significantly as hitler pulled young men from jobs to join his third reich 3.

40. ## precalc

Hyperbola: 25x^2+250x-36y^2-576y=2579 in standard form

41. ## history

Winston churchill described soviet control of eastern europe as an "iron curtain" dividing the continent. what did the iron curtain come to symbolize? 1. the division of europe into north and south blocs 2. a growing fear of economic collapse that was

42. ## math

If you won \$2,5 million in a lottery. You can receive \$1.3million now or \$100,000 at the end of each of the next 25 years, You can earn 5% annually on the investments . Which is the better option?

43. ## math

If you won \$2,5 million in a lottery. You can receive \$1.3million now or \$100,000 at the end of each of the next 25 years, You can earn 5% annually on the investments . Which is the better option?

44. ## math

If you won \$2,5 million in a lottery. You can receive \$1.3million now or \$100,000 at the end of each of the next 25 years, You can earn 5% annually on the investments . Which is the better option?

45. ## math

If you won \$2,5 million in a lottery. You can receive \$1.3million now or \$100,000 at the end of each of the next 25 years, You can earn 5% annually on the investments . Which is the better option?

46. ## history

Which of the following was an effect of militarism in Europe in the late 1800's? a)Nations made political and military alliances. b)Strong governments developed. c)Nations made economic alliances, d)Political tension between nations was reduced. my answer

47. ## history

Why did Lenin believe the socialist revolution could succeed in Russia if ?1)russia became an industrial state 2)the peasants owned the land they worked 3)a small group of deciated revolutionaries controlled the government i thinks its 3

48. ## goverment

Candidates for presidental nomination are eligible to receive federal matching funds if they raise enough money on their own and if they agree: A. to participate in televised debates along with the other candidates. B. to enter the first contests in Iowa

49. ## history

Which of the following had the greatest impact on women's lives after World War 1? a)New Deal programs b)labor-saving devices c)equal-opportunity laws d)the creation of many new jobs i think its c

50. ## math

You receive \$12,000 and looking for a bank to deposit the funds. Bank A offers an account with an annual interest rate of 3% compounded semiannually. Bank B offers an account with 2.75% annual interest rate compounded continuously. Calculate the value of

51. ## math

You receive \$12,000 and looking for a bank to deposit the funds. Bank A offers an account with an annual interest rate of 3% compounded semiannually. Bank B offers an account with 2.75% annual interest rate compounded continuously. Calculate the value of

52. ## government

Most presidential campaign money during the general election is spent on: A. maintaining a campaign staff. B. television advertising. C. mass mailing of campaign literature. D. staging of personal appearances. I THINK IT'S B

53. ## chemistry

A student wanted to determine the density of an irregularly shaped piece of sodium metal. The student is warned not to use water displacement to find the volume of the piece of sodium. Explain the reason for the warning and offer an effective solution to

54. ## history

In the advertisement "five questions to those who employ male servants" what was the main goal of the advertis advertiser? 1. to use fear to get men to enlist in the army 2. to use partiotic pride to gain support for war efforts 3. to condemn those who

55. ## Algebra

Solve for c. A=-3(a=b-1/3c)

56. ## math

College is expected to cost \$150,000 per year in 18 years, how much should you begin depositing annually at the end of each year to accumulate enough funds to pay the first years tuition at the beginning of the 19th year? earning 6% annual rate of return

57. ## history

Although the two excerpts used in "women in the russian revolution" are from two separate revolutions what is the complaint made by both? 1)women are unjustly excluded from military service B)women are unjustly excuded from government particpation D)women

58. ## history

How did world war I influence africans' wish for equality? 1. working to produce goods for soldiers gave them political leverage. 2. british influx into africa made them aware of british laws and their feedoms and equalities enjoyed by their country's

59. ## AP US History

How did the McKinley Tariff Act hurt the farmers?

60. ## science

name 2 natural ways that an ecosystem is impacted and changed. what is the answer???????

61. ## composition writing

• Imagine that you are teaching English in a local high school. • Imagine that you are the parent or friend of a student having to write a series of essays for a high school English class. • Imagine that you are a teaching assistant for a high school

62. ## algebra

45 more than q

63. ## Physics

A 145 m long ramp is to be built for a ski jump. If a skier starting from rest at the top is to have a speed no faster than 22 m/s at the bottom, what should be the maximum angle of inclination?

64. ## math

I have spent hours trying to do these, help! Use the given information to solve the triangle. 1) C = 145 degrees, b = 4, c = 14. 2) A = 150 degrees, C = 20 degrees, a = 200.

65. ## homonym

what is the homonym for the definition "the day, month, and year/ a sweet fruit with a hard seed"

66. ## Physics

It takes 0.220 s for a dropped object to pass a window that is 1.14 m tall. From what height above the top of the window was the object released?

had to make up questions using the past tense of decir,querer, hacer 1. ¿Qué dijo el doctor ayer? 2. ¿Qué hicieron los profesores ayer en la escuela? 3. ¿Quisiste mirar la pelicula ayer? 4.Tú quisiste un coche nuevo? 5. ¿Tú quiciste la tarea ayer?

68. ## calculus

prove that 5x - 7 - sin3x = 0 has at least one zero and prove that it has exactly one real zero. How am I supposed to show my work for this? I don't really understand how to show my work for the IVT. Without that I can't do any work for the MVT.

69. ## Spanish-the last set of quesions-please check

I had to write a a paragraph but I numbered them for you about my last birthday and what movies and people I saw last week 1.Vi a mis hermanos la semana pasada. 2.Vi a mis primos la semana pasada. 3.Vi la película Star Wars la semana pasada. 4.Yo recibí

70. ## statistics

The times taken to complete a statistics test by all students are normally distributed with a mean of 120 minutes and a standard deviation of 12 minutes. Find the probability that the mean time taken to complete this test by a random sample of 16 students

71. ## math

The base of an isosceles triangle is 4/3 cm.the perimeter of the triangle is 4 2/15cm. What is the length of either of the remaining equal sides

72. ## Pre-Cal

find the value of the function k(p/q)

73. ## Math (URGENT)

solve for x, 0 ¡Ü x < 360 tan2x+1=0 My answers: 22.5, 157.5, 202.5, 337.5 Textbook: 67.5, 157.5, 247.5, 337.5 I don't understand. Am I wrong? Thanks for your help.

74. ## history

Which of the following led to the reunification of germany in 1989? 1. the european union's euro currency brought economic success to france, a staunch ally of west germany 2. communism declined in the soviet union 3. the us divided its military support

75. ## Calculus

A rancher plans to set aside a rectangular region of one square kilometer for cattle and wishes to build a wooden fence to enclose the region. Since one side of the region will run along the road, the rancher decides to use a better quality wood for that

77. ## Maths

How would you graph sin 4x = 1 ? a) How do you find amplitude? b) How do you find Period? I'm kind of confused about the "=1" part. Thanks :)

78. ## history

What type of economy eventually led to the soviet union's collapse? 1) a devolping world economy 2)a non surplus economy 3)a command economy 4)a demand economy i choose 3

79. ## Calculus

Damon, Help :) A rancher plans to set aside a rectangular region of one square kilometer for cattle and wishes to build a wooden fence to enclose the region. Since one side of the region will run along the road, the rancher decides to use a better quality

80. ## calculus

Damon help again :) (last one I promise) why is X along the road sqrt2/2? ] A rancher plans to set aside a rectangular region of one square kilometer for cattle and wishes to build a wooden fence to enclose the region. Since one side of the region will run

81. ## socials

when was our new constitution act signed? who sign it? this was like around 1980's. It be signed on april 17th 1982. and it be signed by queen elizabeth. i don't know if i mention trudeau. and who not sign this new constitution act? that be levesque i

82. ## World History

How did deng Xiaoping Improve China's economy? A.He created private ownership of property and business. B.He reopened schools. C.He created communes. D.He vreated the Red Guards I got A

83. ## Caculas

(Airplane & Radar) An airplane is flying (horizontally) at the height of 6 km on a flight path that will take it directly over a radar tracking station (on ground). If the distance D between the plane and the radar is decreasing at a rate of 300 km/hr,

84. ## socials

what the meech lake meetings about? Meetings about changes to the Constitution. It offer to recognize Quebec as a distinct society. It also proposed giving more power to the other provinces. what problems meech create for diff parts of the canada?

85. ## precalc

What is the directrix and focus of the equation 1/16(y+4)^2=x-3

86. ## algebra

I posted this question earlier but I think I asked for too much so I am trying again and giving the answer I have, If you could tell me if it is correct, I would appreciate it. A sub is 7500 meters below sea level surfaces at rate of 80 meters per min. the

12t+9=5t^2

88. ## socials

reason of charlottetown accords? it also recommend changes to constitution? so it same like meech accord right? what the result of national referndum? 54.5 voters rejected it. that it? why it have this outcome? i thought maybe more people reject his

89. ## ms. sue

ms. sue you think i should post a post that adress to reiny and mathmate and ask if they give help to me with my socials posts because they may not see my socials posts down there.

90. ## precalc

what is the directrix and focus of the equation 1/16(y+4)^2=x-3

¿Dónde estuvieron tus padres ayer? Mis padres estuvieron en la casa. 2. ¿Anduvo ty papá en bicicleta ayer? Sí, mi papa anduvo en bicicleta ayer. 3. ¿Anduviste en bicicleta ayer? Sí, yo anduve en bicicleta ayer. 4. ¿Cuánto dinero tuviste ayer? Yo

92. ## Physics

Point A revolves counterclockwise around a point, making 25 complete rotations in 8 seconds. If A is 3 cm away from its center of rotation, what is the angular velocity of A to the nearest tenth

had to make up questions using the past tense of decir,querer, hacer 1. ¿Qué dijo el doctor ayer? 2. ¿Qué hicieron los profesores ayer en la escuela? 3. ¿Quisiste mirar la pelicula ayer? 4.Tú quisiste un coche nuevo? 5. ¿Tú quiciste la tarea ayer?

94. ## CHEMISTRY

A 47.5g sample of metal is heated to 300.0ºC and placed in a calorimeter containing 75.0g water at 22.0ºC. The final temperature of the system is 40.0ºC. What is the specific heat of the metal? (the specific heat of water is 4.18 J/g ºC) Thanks for

95. ## CHEMISTRY

How much heat energy is needed to convert 125.0g of ice from -27.0ºC to a liquid at 50.0ºC?

96. ## Time

I was wondering if 600 CE was the same as 6th or 7th century?

97. ## maths

kelvin and smith are incharged of counting people who gets of the lift they turn riding to floor an dback down counting as a go sfter two such trips each morning and two in evening their is an avarage taken the hotel manager wants tono the days avarage (a)

98. ## partial fraction

if f(x) ax^2+bx+c , g(x) :1/3x^2+2 and fg(x)= 18x^4+24x^2+11/(3x^2+2)^"

99. ## maths

i am trying to solve 4/x-2>5. i use calculator and mistakenly type of digit if other than 5. when i type in the problem ,so i get the wrong solution my answer was 2

100. ## maths

in a common coding method each of the letters of the alphabet is replace by the number denoting its usual place in alphabetical order, a bird is then encoded by multiplying the number representing the letter of the word. find an english word that is

101. ## algebra2

this equation represents the area of a rectangular chicken coop a=2x2-4x+2

102. ## Government

From roughly 1900 to 1960 ,a strong showing in presidential primaries: A.enabled a candidate to demonstrate popular support, but did not ensure nomination. B.did not improve a candidate's chances of gaining the nomination. C.guaranteed a candidate's

103. ## Government

The primary eletion as a means of choosing the states' delegates to the national conventions where the presidential nominee is formally seleted: A.was introduced during the jacksonian era. B.is used in Europe as well as in the United States: C.has been

104. ## Calculus

If x^3 = 1 and x does not equal 1, x(x+1)= ?

105. ## Physics

Saturn has a radius of about 9.0 earth radii, and a mass 95 times the Earth’s mass. Estimate the gravitational field on the surface of Saturn compared to that on the Earth

106. ## Physics

Starting from Newton’s law of universal gravitation, show how to find the speed of the moon in its orbit from the earth-moon distance of 3.9 × 108 m and the earth’s mass. Assume the orbit is a circle.

107. ## To Gabby and Jean

I have done as asked and worked that Na2C2O4 + LaCl3 problem in some detail. I've posted it at the ogiginal site; here is a hot link to it. http://www.jiskha.com/display.cgi?id=1324010745

108. ## vocab

1)a neutral term for the main character in a story 2)all the figurative language a writer use to describe things in a story 3)the mood or atmosphere of a story 4)a plot device that gives a hint of what will happen next 5)things that represent themselves

109. ## world history

which phase best completes this sentence? Since colonial days a key cause of latin american unrest has been the uneven : 1 . Distribution of government land 2. Support for democracy 3. Development of urban areas 4. Distribution of wealth I got D

110. ## statistics

A study is discussed the purity of oxygen from a certain supplier. Assume that the mean was 99.61 with a standard deviation of 0.08. Assume that the distribution of purity was normal. Below what purity value would you expect to represent the smallest 25%

111. ## author

1. A classic is a literary work a. that is at least 50 years old b. has been commonly recognized as a superior work c. that nobody understands ot likes 2. The write O. Henry is known for his a. endings with an ironic teist b. humor c. stories about the

112. ## Algebra 2

Look at the following polynomials and their factorizations: x^2-1=(x-1)(x+1) x^3-1=(x-1)(x^2+x+1) x^4-1=(x-1)(x^3+x^2+x+1) In general, how can x^n-1 be factored. Show that this factorization works by multiplying the factors

113. ## Humanities/Western Civilization

Why are the 14th and 15th centuries often referred to as the centuries of crisis for western Europe?

114. ## World History

What was the result of the partition of india in 1947 ? A. The division further esaclated the violaence between pakistani muslims and indian hindus B. The division resulted in two economically diverse regions C. Vlashes with british forces sharply divided

115. ## Humanities/Western Civilization

Describe the conflict between church and state in the medieval period.

116. ## Western Civilization

How did the Greek encounters with the Near and Middle East shape political, economic, and cultural developments of the Hellenistic world?

117. ## chemistry

Hi I am in AP Chemistry and I did not take regulars chem so I have never done labs before and was wondering If anyone could give me examples on how to do a lab

118. ## Western Civilization

How did encounters among the Persians, Hebrews and Archaic Greks help shape the Clasical Age of Greece?

119. ## world history

How did china influence the economic develoupment of taiwan? 1. Chinese buisnessmen invested in taiwanese companies 2. taiwan grew economicaly because of chinas acceptance of capitalism 3. chinas cultural revolution alowed taiwan to devolup its high

120. ## Physics

I would say it is true that the center of mass of an isolated system moves at a constant velocity, as long as there is a constant force applied to it. Am I correct?

121. ## Physics

Is the maximum torque that a given force can exert on an object occurs when the force is applied to the axis of rotation. I think it is true because torque is always specific when it comes to the axis of rotation. Am I correct?

122. ## precalc

Rewrite 3y^2 + 6y + 108x - 969=0 in standard form, show work.

123. ## Early Child Educationand After-School Day Care

Whi are pre-primer programs desinged for?

124. ## Algebra 2

Look at the following polynomials and their factorizations: x^2-1=(x-1)(x+1) x^3-1=(x-1)(x^2+x+1) x^4-1=(x-1)(x^3+x^2+x+1) In general, how can x^n-1 be factored. Show that this factorization works by multiplying the factors

125. ## civics

Which three prominent statesmen wrote a collection of essays in support of the Constitution?

126. ## geometry

RSV has coordinates R(2,1),S(3,2), and V(2,6). A translation maps points R to R' at (-4,8). What are the coordinates for S' for this translation? Can't understand this one please help me.

127. ## geometry

The vertices of a rectangle are R(–5, –5), S(–1, –5), T(–1, 1), and U(–5, 1). After translation, R' is the point (–11, –11). Find the translation rule and coordinates of U'.

128. ## geometry

Quadrilateral JKLM is a rhombus. The diagonals intersect at N. If angle KNJ equals 8x + 6, find the value of x

129. ## spanish

WHAT IS THE BLANK WORD IN SPANISH, "_________ ella guapa

130. ## math

how do you use percentages, fractions, and decimals in zoology and wnba

131. ## Geometry

The coordinates of the vertices of CDE are C(1, 4), D(3, 6), and E(7, 4). If the triangle is reflected over the line y = 3, what are the coordinates of the image of D?

132. ## precalc

Parabola: Rewrite 3y^2 + 6y + 108x - 969=0 in standard form, show work.

133. ## calculus

find the antiderivative of: 1/1+4tdt

134. ## physics

calculate the distance it traveled before it is brought to rest from 44 km/h if the speed of a truck going south is reduced from 80 km/h to 44 km/h in a distance of 250 m.

135. ## physics

calculate the distance it traveled before it is brought to rest from 44 km/h if the speed of a truck going south is reduced from 80 km/h to 44 km/h in a distance of 250 m.

136. ## algebra

The half-life of 234U, uranium-234, is 2.52 105 yr. If 98.4% of the uranium in the original sample is present, what length of time (to the nearest thousand years) has elapsed?

137. ## critical thinking ( is it correct)

It’s a deductive argument. Because all its premises are true (Many universities have begun using I

138. ## algebra

14x to the 5th y to the 3 plus 7xy5

139. ## physics

a hlicopter takes off and travles 300 km due north then returns to its landing field. what is its displacment?

140. ## math

If you have a savings of \$2235 and deposit the amount into an account that pays 2% annual interest, compounded monthly, what is the balance in the account after 4 years?