# Homework Help: College

**College Algebra**

Hi there. My professor gave my class the practice problems for our final exam. I am a little stumped on a few of them and just need someone to help jog my memory. If you have the time, could you show the steps so I can see where I went wrong and practice it. Thank you in ...

*Friday, April 29, 2016 by Need Help*

**College Algebra/pre-calculus**

The question is to evaluate each logarithm: My professor wants us to show work. Could you please tell me if I'm on the right track? Thank you!!! 1. log6^(1/36)= -2 2. ln(1/e^4)= 1/e^2 3. log7^1= 0 4. log4^64= ln64/ln4= 3 5. log10^8= ln8/ln10= .9031 6. log3^(radical 3)= I wasn'...

*Friday, April 29, 2016 by Need Help*

**College Algebra Help?!**

If a customer purchases a new stereo system during the spring sale, he may choose any 4 CDs from 20 classical and 32 jazz selections. In how many ways can the customer choose 2 of each?

*Friday, April 29, 2016 by Madison*

**college mathematics**

Determine whether each pair of triangles is congruent. b. Triangle 1: angle 53 , side 28 meters, and angle 37 Triangle 2: angle 53 , side 28 meters, and angle 37

*Thursday, April 28, 2016 by Anonymous*

**college mathematics**

Determine whether each pair of triangles is congruent. a. Triangle 1: sides 8 inches, 11 inches, and 14 inches Triangle 2: sides 11 inches , 14 inches, and 8 inches

*Thursday, April 28, 2016 by Anonymous*

**College Algebra (pt.3)**

Alright, this is a bonus question on my homework. I think I did it wrong... How long will it take for an investment of $1000 to grow to $1750 if interest is compounded continuously at a rate of 8%? Round to the nearest tenth. A=Pe^rt $1750=$1083.38 divided ans= 1.62

*Thursday, April 28, 2016 by Natalie*

**College Algebra (pt.2)**

Hey, I would love if someone could please look over my answers. I just learned this yesterday and want to make sure I did my hw correct. Thanks!!! Solve for x. Round answers to four decimal places where appropriate: 6. ln(5x-3)=0 ans= x=3/5 7. log5^x=3 ans= x^3=5 8. log2^32=x ...

*Thursday, April 28, 2016 by Natalie*

**College Algebra**

Hey, I would love if someone could please look over my answers. I just learned this yesterday and want to make sure I did my hw correct. Thanks!!! Solve for x. Round answers to four decimal places where appropriate: 1. 6^x=6^2x-1 Ans.= x=1 2. 3^x=1/27 Ans.= x=-9 3. e^3x=10 Ans...

*Thursday, April 28, 2016 by Natalie*

**college mathematics**

e. Find the volume of a sphere with a radius of 8 meters. please show work.

*Wednesday, April 27, 2016 by Anonymous*

**college mathematics**

d. Find the volume of a rectangular box that measures 6 inches by 4 inches by 2 inches.

*Wednesday, April 27, 2016 by Anonymous*

**Math/ELA**

What can I do now as a 7th grader to prepare and save for college

*Wednesday, April 27, 2016 by Sarah*

**Emergency Easy QUESTION**

1.)Can being in low classes in high school affect you in college? If so then please explain because I'm worried.

*Wednesday, April 27, 2016 by #FreeGucci*

**College Algebra**

A 15-g sample of radioactive iodine decays in such a way that the mass remaining after t days is given by m(t) = 15e−0.051t, where m(t) is measured in grams. After how many days is there only 1 g remaining?

*Monday, April 25, 2016 by Anonymous*

**Writing Sentences and Paragraphs**

As an individual with experience performing office clerical duties and educated as a Library Technician, I am excited to apply for the position of Data Entry Clerk as advertised on the DC Comics website. I consider that my experience and skills match ver well with your ...

*Monday, April 25, 2016 by Ray*

**American History**

The results of the 2000 presidential election were difficult to determine because of A,Ralph Nader’s third-party candidacy b.both candidates being baby boomers c.voting irregularities in the state of Florida D.he Electoral College votes being evenly split. my answer is C is ...

*Friday, April 22, 2016 by Angie*

**Social Studies (please check ms. sue)**

1. Why did farm prices fall in the 1950’s? a. Farmers bought new expensive machinery b. Farmers produced more than they could sell*** c. Farmers could not sell their products in Europe d. Farmers saw their government subsidies reduced 2. What shortage was created by the-...

*Friday, April 22, 2016 by SpitFireRedHead*

**Math: Statistics**

I am trying to report significant data but I'm not sure how to write it out professionally. I did two nominal variables in a chi square test on SPSS. The significance I found is .061 across from "Likelihood Ratio" and under "Asymp sig. 2 Sided". Does that even mean anything?! ...

*Friday, April 22, 2016 by Shannon*

**College Algebra**

A cars value is declining exponentially. The car is currently 3 years old and has a value of 18,000. The car sold for 26,000 brand new. Find the rate at which the value of the car is decreasing. So far my equation is 18,000=26,000 (3-.04)^the But I'm not sure if that is right

*Thursday, April 21, 2016 by Austin*

**Social Studies**

South Carolina raised additional funding for public education by a. Charging tuition for students b. Implementing a sales tax c. Applying a tax to college tuition d. Requiring new business to pay a tax I think it's b?

*Thursday, April 21, 2016 by Lexi*

**history please help**

1. Why did farm prices fall in the 1950’s? a. Farmers bought new expensive machinery b. Farmers produced more than they could sell** c. Farmers could not sell their products in Europe d. Farmers saw their government subsidies reduced 2. What shortage was created by the-world...

*Thursday, April 21, 2016 by Help please*

**science-college physics**

2. A certain wire of length L, cross-sectional area A is extended by an amount ‘e’ by a force F. Given that the young’s modulus of the material of the wire is E, Show that the; a. Energy stored in the wire is given by the expression (5) b. Energy per unit volume, Ev = x...

*Tuesday, April 19, 2016 by hamunyela morga*

**Math**

Mona takes out a $12,000 student loan to help pay for her first 2 years of college, then 2 years later needs another loan for $14,000 to get her through to graduation. She graduates 4 years and 9 months after acquiring the first loan, and payments are deferred until 6 months ...

*Tuesday, April 19, 2016 by Anonymous*

**Math college grade 12**

1=300(0.8)^t

*Monday, April 18, 2016 by Yineya*

**science-college physics**

1. A mass of 20 kg is suspended at the end of a rubber cord of diameter 2.0 mm and length 100 cm. Find the period of vertical oscillations of the mass. [Take young’s modulus E, for the rubber = 2.0 x 108 Nm - 2].

*Monday, April 18, 2016 by hamunyela morga*

**Northern technical college**

What are the five classes of fire.

*Monday, April 18, 2016 by Lucky chembe*

**Physics**

Home Economics Math Music Physical Education Science Social Studies GRADE LEVELS Preschool Kindergarten Elementary School 1st Grade 2nd Grade 3rd Grade 4th Grade 5th Grade 6th Grade 7th Grade 8th Grade High School 9th Grade 10th Grade 11th Grade 12th Grade College Adult ...

*Sunday, April 17, 2016 by Rameel*

**grewal**

Don has just received a cash gift of $70,000 from his rich eccentric uncle. He wants to set it aside to pay for his daughter Cynthia's college education. Cynthia will begin college in 10 years and Don's financial advisor says that she can earn 8% interest on an investment in a...

*Sunday, April 17, 2016 by parry*

**maths littercy ,agricultural science ,life science ,tourism , life orientatiom, ndebele and english**

i completed my matric last year , now i don't know which carrer should i do or follow and in which college or university

*Sunday, April 17, 2016 by simphiwe*

**science-college physics**

Searches Related to 1. A mass of 20 kg is suspended at the end of a rubber cord of diameter 2.0 mm and length 100 cm. Find the period of vertical oscillations of the mass. [Take young’s modulus E, for the rubber = 2.0 x 108 Nm - 2

*Thursday, April 14, 2016 by hamunyela*

**College Physics**

Construct & solve a problem involving a person swimming across a river which has a waterfall some distance downstream. Please help, I have no idea where to start.

*Tuesday, April 12, 2016 by Smi*

**College Algebra**

The rodent population in a city is currently estimated at 30,000 and is growing according to the Malthusian model. If it is expected to double every 9 years, when will the population reach one million? (Round your answer to one decimal place.)

*Tuesday, April 12, 2016 by Madison*

**yakima community college**

If a certain city had a record low for the year of -30 degrees Celsius, and a record high of 38 degrees Celsius, find the temperatures in degrees Fahrenheit.

*Monday, April 11, 2016 by Anonymous*

**College Physics 1 (Algebra-based)**

Calculate the force required of the "deltoid" muscle, Fm, to hold up the outstretched arm shown in the figure below. The total mass of the arm is 3.31kg. Assume that alpha = 15.2°, d = 12.0 cm and D = 24.0 cm. Figure: tinyurl com/hszqaqw Any help (at least how to set up the ...

*Sunday, April 10, 2016 by collegegirl*

**english comp**

revise the following sentence to use modifiers correctly, clearly and effectively. *= revised sentence 1.The student cafeteria is operated by a college food service system chain. * A chain of food service system operates the student cafeteria. Thank you

*Saturday, April 9, 2016 by sis*

**Math**

Range invested $1000 for college in an account earning 5% simple interest. When she withdrew the investment , she had earned a total of $550 in interest. How long was the money invested. How long was the money invested? I did 1000(.05) (t) - whatever she withdrew She earned a ...

*Wednesday, April 6, 2016 by Lauren*

**History**

1.How did New England's textile industry affect both children and women? (5 points) ⦁ It allowed them to earn a living wage until the age of 25. ⦁ It gave them opportunities not available on family farms. ⦁ It permitted them to complete their schooling. &#...

*Wednesday, April 6, 2016 by <3*

**College Algebra/pre-calculus**

Find the domain (This in fraction form) f(x)=x+3 x^2-4 f(x)= (This is in Radical:2-5x) Any help, thank you!

*Wednesday, April 6, 2016 by Anonymous*

**College Algebra**

Question: Given f(x)=x^2+3x x such that f(x)=4 (ie y=4, what is x?) I am honestly very confused by this question to even attempt to do it. Though here is what I have on the rest of my sheet as my answers. Please correct me if I'm wrong. Thank you! Given f(x)=x^2+3x A. f(2)= 10...

*Wednesday, April 6, 2016 by Anonymous*

**college chemistry**

calculate the equilibrium constant for the following reaction at 298k given that DeltaGrxn=2.8kj/mol N2O4-2NO2 I thought to get K you use the expression K=e^(-deltaG/(RT)) but I cant get the same answer my professor put down which is 3.1

*Wednesday, April 6, 2016 by Jeremy*

**College Algebra**

The logistic growth function f(t)= 100,000/5000e^-t describes the number of people, f(t), who have become ill with influenza t weeks after its initial outbreak in a particular community. A) How many people became ill with the flu after the epidemic began? B) What is the ...

*Tuesday, April 5, 2016 by Devin*

**college algebra**

The electrical resistance of a wire of a given material varies as its length and inversely as the square of the diameter. if a wire 300 feet long and 0.05 inches in diameter has a resistance of 30 ohms, (a) find the resistance of a wire which is 1000 feet long and 0.02 inch in...

*Tuesday, April 5, 2016 by Sam*

**English**

A college student is generally expected to do all of the following except?

*Monday, April 4, 2016 by Margaret Seaman*

**college general chemistry 2**

a chemist titrates 70 ml of .7889M HClO solution with .6221M KOH. calculate pH at equivalence. pKa of HClO is 7.50 I am getting pH of 17.72 Is that right?

*Sunday, April 3, 2016 by osp*

**science**

the mean weight of 500 males students at a certain college is 151 lb and standard deviation is 15lb .assuming the weights are normally distributed, find how many students weigh between 120 and 155 lb ..ii) more than 185 lb

*Saturday, April 2, 2016 by Ados*

**math**

1.Among 90 pieces of mail delivered to the library of a college,50 are addressed to the faculty of Business Administration and 40 are addressed to the Communication faculty.if two of these pieces of mail are delivered to the Dean's office by mistake,and the selection is random...

*Saturday, April 2, 2016 by Bravo*

**College Algebra**

Write a sentence explaining the meaning of the slope and y-intercept for the given linear relation. According to the Statistical Abstract of the United States, the number of crimes, C, reported since 1998 is given by the equation: C=31000-29t where t is in years. A. What is ...

*Thursday, March 31, 2016 by Anon*

**College Algebra/pre-calculus**

The Pointless Pencil Company purchases a new stamping machine for the production line that cost $8000. The equipment will be replaced in 10 years at which time its salvage value is expected to be $1000. Write a linear equation giving the value, y, of the machine during the ...

*Thursday, March 31, 2016 by Natalie*

**College algebra**

How many pounds of nuts selling for$6/lb and raisins selling for $3/ lb should a person combine to obtain150 lb of trail mix selling for $4/lb?

*Wednesday, March 30, 2016 by Steve*

**History**

10.)Use the following text from the Twelfth Amendment to answer the following question: The person having the greatest Number of votes for president, shall be the President, if such number be a majority of whole number of Electors appointed; & if no person have such majority, ...

*Tuesday, March 29, 2016 by #FreeGucci*

**Math**

If there are 380 seniors and 29 out of every 40 plan on going to college how many plan on going to college?

*Tuesday, March 29, 2016 by Senpai*

**College Algebra**

Suppose k(w)=2^w. (a) Find a formula for y=k(w)+7

*Monday, March 28, 2016 by Samantha E*

**College Algebra 1**

Factor completely. Remember to look first for a common factor and check by multiplying. if polynomial is prime, state this. -36a^2-96ab-54b^2 I couldn't find the right answer.

*Sunday, March 27, 2016 by clary*

**College Physics**

At what temperature is the root-mean-square speed of nitrogen molecules equal to the root-mean-square speed of hydrogen molecules at 126 oC? (Hint: The molar mass of hydrogen atoms is 1.008 g/mol and of nitrogen atoms is 14.007 g/mol. The molar mass of H2 is twice the molar ...

*Saturday, March 26, 2016 by Desperate Student*

**College Physics**

A welder using a tank of volume 1¡Ñ10−2m3 fills it with oxygen (with a molar mass of 32.0g/mol ) at a gauge pressure of 1.4¡Ñ105Pa and temperature of 37.0∘C. Find the initial mass of oxygen. R=8.314m3PaK-1mol-1. The answer¡¦s unit is g.

*Saturday, March 26, 2016 by Desperate Student*

**College Physics**

If a certain amount of ideal gas occupies a volume 9.5 m3 with a pressure of 3.1 atm and temperature 5.4 oC on earth, what would be its volume on another planet, where the temperature is 5.3oC and the pressure is 7.4 atm ? The answer is in unit of m3

*Saturday, March 26, 2016 by Desperate Student*

**laney college**

The following questions are based on the “Mt. Dome, California,” quadrangle (Figure 33-2 found on page 228 of the Laboratory Manual; enlarged to scale 1:48,000; contour interval 40 feet) and the stereogram of the same

*Wednesday, March 23, 2016 by al*

**Tax**

The Smiths son, Jake, is 19 and a full-time student in his second year of college. Jake paid $5,650 in tuition during 2015, and another $650 for textbooks. The Smiths are claiming Jake as a dependent. Their taxable income is $13,000, and their tax liability before credits is $...

*Tuesday, March 22, 2016 by Anonymous*

**History**

Four major candidates ran in the 1824 election, all under the "Democratic-Republican" name. One of the candidates, Andrew Jackson, was already famous. In the 1780s, he earned the right to practice law and served in various offices of the state government, including senator. He...

*Monday, March 21, 2016 by jai*

**english**

“That person must belong to a gang; just look how he dresses”. How often do you here people saying these types of things about others, yet, how often have we said something similar? I believe our society is based on the superficial things, which we categorize people ...

*Saturday, March 19, 2016 by HELP*

**english**

“That person must belong to a gang; just look how he dresses”. How often do you here people saying these types of things about others, yet, how often have we said something similar? I believe our society is based on the superficial things, which we categorize people ...

*Saturday, March 19, 2016 by HELP*

**College Physics**

A student of mass M = 82 kg takes a ride in a frictionless loop-the-loop at an amusement park. The radius of the loop-the-loop is R = 15 m. The force due to the seat on the student at the top of the loop-the-loop is FN = 696 N and is vertically down. What is the apparent ...

*Thursday, March 17, 2016 by Jack*

**Art World Culture**

10.)Most artists fall into a particular style because: A. They choose the style when they become a professional. B. They are given the style as an assignment in college. C. Their work naturally has the characteristics of the style. D. They chose to join a group of artists.*** D?

*Thursday, March 17, 2016 by #FreeGucci*

**English**

Which one of the following sentences contains an unnecessary colon? A. Here's the question on all of our minds: Will our team be able to defeat their arch rivals tonight? B. Carlos has three goals in life: to graduate from college, own his own home, and work in the computer ...

*Tuesday, March 15, 2016 by desiree*

**Math**

Suppose you are interested in determining the probability that a college student will own a personal computer. You poll 8 of your classmates from randomly selected classes and find that 5 of them own their own computers. Find a 90% confidence interval estimate for the ...

*Tuesday, March 15, 2016 by Anonymous*

**college math**

The mass of Saturn is about 5.688 10^23 metric tons. The mass of the sun is about 1.998 x 10^27 metric tons. About how many times the mass of Saturn is the mass of the sun? Give answer in scientific notation. The mass of the sun is about ----- times the mass of Saturn.

*Saturday, March 12, 2016 by angella*

**History**

1.)Which best describes the purpose of the Electoral College in the United States? A.)chooses the winner of an election if the popular vote is disputed B.)reduces the number of smear campaigns among candidates C.)publishes the results from each state’s chosen electors D.)...

*Friday, March 11, 2016 by #FreeGucci*

**English Vocubulary fourth edition**

I was not (1)______ (e)d with athletic ability. In frequent nightmare, I'm still trying to pass my mandatory gym class so that I can graduate from high school.The situation always looks grim.For one thing, the teacher has threatened me with (2)____________ from school if I don...

*Thursday, March 10, 2016 by Briana*

**Bussiness management**

a college teacher told his students,management course is to teach students about management not to become managers.Do you agree or disagree with this statement. Discuss your answer

*Tuesday, March 8, 2016 by Fusese*

**College history**

The former Soviet Union cannot be considered a democracy because Of what? I have info on it already I just want someone else's option and thoughts on it so I can add it to my essay

*Saturday, March 5, 2016 by Farrah*

**College history**

Social order and norms of behavior are often learned in what era or school time? I think it's either college or adulthood

*Saturday, March 5, 2016 by Sarah*

**college algebra**

there are three consecutive even integers such that twice the first is 20 more than the second. find the largest integer

*Saturday, March 5, 2016 by ashley*

**Algebra**

There are 72 questions on a college entrance examination. One point is awarded for each correct answer, and one third of a one third of a point is deducted for each incorrect answer. How many questions does Tami need to answer correctly in order to score at...

*Friday, March 4, 2016 by Rebel*

**Maths literacy ,life science,history,geography**

Which university or college take the subjects that i am doing

*Friday, March 4, 2016 by Lauren*

**history help**

Four major candidates ran in the 1824 election, all under the "Democratic-Republican" name. One of the candidates, Andrew Jackson, was already famous. In the 1780s, he earned the right to practice law and served in various offices of the state government, including senator. He...

*Thursday, March 3, 2016 by nobody*

**college algebra**

Rectangle garden using a wall as one side of the perimeter. What are the dimensions if we have 16ft of fencing and an area of 30sqft. To be clear, you are only using the fencing for 3 sides of the garden.

*Thursday, March 3, 2016 by jim*

**math**

At a high school, GPA’s are normally distributed with a mean of 2.6 and a standard deviation of 0.5. What percentage of students at the college have a GPA between 2.1 and 3.1?

*Tuesday, March 1, 2016 by Maxwell*

**Personal dimensions of education**

A high percentage of student population in the college of health and behavioral sciences planning to obtain an internship in the hospital while completing their degree

*Tuesday, March 1, 2016 by Shalanda*

**college physics**

determine the displacement vector that must be added to the displacement) 25-16) m to give a displacement of 7m pointing in the positive x-direction?

*Saturday, February 27, 2016 by mumbi*

**Math Word Problem**

Each course at college X is worth either 3 or 4 credits. The members of the men's swim team are taking a total of 52 courses that are worth a total of 169 credits. How many 3-credit courses and how many 4-credit courses are being taken?

*Saturday, February 27, 2016 by Soora*

**Math Word Problem**

Each course at college X is worth either 4 or 5 credits. The members of the men's swim team are taking a total of 52 courses that are worth a total of 22 credits. How many 4-credit courses and how many 5-credit courses are being taken?

*Friday, February 26, 2016 by Rebel*

**College A**

2,900 to grow to $7,000 if the annual rate is 13.5% and interest is compounded monthly?

*Thursday, February 25, 2016 by t*

**COLLEGE,CHEMISTRY**

CH3-C-CH3=CH2+H-OH-->

*Thursday, February 25, 2016 by RINTU*

**college algebra**

Ivan is putting money into a checking account. Let y represent the total amount of money in the account (in dollars). Let x represent the number of weeks Ivan has been adding money. Suppose that x and y are related by the equation y=550+40x. What is the change per week in the ...

*Wednesday, February 24, 2016 by Bessie*

**college**

5 coins are tossed 3200times. Find the expected frequency for heads and tails also find the mean and varience of the number of heads?

*Wednesday, February 24, 2016 by sreta jha*

**college pre calculus**

A kite frame is to be made from 6 pieces of wood. The four border pieces have been cut 5 and 12. The long center piece is 13. what should the length of the cross pieces be in order to maximize the area of the kite.

*Tuesday, February 23, 2016 by Jenna*

**broward college**

collagen vascular disease ,affect the protein collagen ,the main component of collagen fibers. predict the possible consequence of defective collagen fibers on specific organs and tissues how would effect of collagen vascular disease that affected only the collagen in ...

*Tuesday, February 23, 2016 by mina*

**COLLEGE HELP LEASE PLEASE !!!!!!!**

Is graduate tuition is tuition for graduate school? I want to become a nurse. Graduate tuition Nursing $828.00 per credit But here the tuition is $17,166 The annual total list price cost to go to Mercy was $31,928 I'm sooo confused please help. Does it cost more than $31,928?

*Monday, February 22, 2016 by Sarah*

**English (HELP)**

The Puritans founded Harvard College at Newtowne in 1636. Three years later, they renamed the city of Cambridge to honor the British city where many of the colonists had studied. What does this fact reveal about the group who fled England?

*Sunday, February 21, 2016 by Victoria*

**Math**

Suppose you have student loans totaling $10,500 when you graduate from college. The APR is 9% and the loan term is 10 years. a) What are your monthly payments? b) What is the total amount you will pay over the term of the loan? c) Of the total amount paid, what percentage is ...

*Sunday, February 21, 2016 by Emilio*

**Math**

A local college bookstore paid a net price of $12,500 for textbooks for the coming semester. The publisher offered a trade discount of 20%. The publisher's original list price was A. $15,625. B. $15,000. C. $15,500. D. $2,500. A

*Saturday, February 20, 2016 by debbie*

**college loan**

if i take out a loan for $10,000.00 and pay $300.00 a month at 5.00 % interest how long until paid off ?

*Thursday, February 18, 2016 by Anonymous*

**COLLEGE**

-4 TO THE SECOND POWER + 5 =

*Wednesday, February 17, 2016 by MARIA*

**College**

1-What does it mean that a process is under statistic control? Can a production be labeled as "out of control" because it is too good? Explain. 2-What are run charts used for in process control? Why is it desirable to use both median run test and up/down run test on the same ...

*Tuesday, February 16, 2016 by Statistic*

**Math College Algebra**

For the solution of finding zeros flr -6x^2-13x+5 When i use factoring and completing the squares the zeros are 1/3 and -5/2 However when i used the quadratic formula it gave me -13+ - sqrt of 17/ 12 Why is that. Is it still tge same How

*Monday, February 15, 2016 by Miracle*

**Math College Algebra (urgent before 2hours)**

Find the zeros of the following USE ALL THE THREE METHODS FOR EACH NUMBER ( Factoring, Completing the Squares and Quadratic Formula) 1.f(x) =3x+5 2.g(y)=y^2-3y+2 3.s(xl= -6x^2-13x+5 Please help me I need this before 2 hours to come. Please help me hpw to do this . Please help ...

*Monday, February 15, 2016 by ZaJi*

**Math College Algebra**

Find the zeros of the following USE ALL THE THREE METHODS FOR EACH NUMBER ( Factoring, Completing the Squares and Quadratic Formula) 1.f(x) =3x+5 2.g(y)=y^2-3y+2 3.s(xl= -6x^2-13x+5 Please help me I need this before 2 hours to come. Please help me hpw to do this . Please help ...

*Monday, February 15, 2016 by ZaJi*

**College math**

I'm supposed to substitute (3+h) into the equation 3t^3-2^t+8. I keep getting 3h^3-h^2+80 but it says that's incorrect and the real answer is 3h^3+26h+75h+80. Can somebody explain how they got that?

*Monday, February 15, 2016 by Brooklyne*

**Managerial Finance**

Isabelle wants to save up an amount of $150,000 for her son's college education fees, coming up in 5 years. Find the amount that should be invested today if the bank pays an interest rate of 5% compounded annually

*Sunday, February 14, 2016 by Kim*

**college math**

estimate the total cost of 97 shirts at $19.95 each

*Saturday, February 13, 2016 by bethany*

**college math**

A car rents for $260 per week plus $0.10 per mile. Find the rental cost for a three week trip of 800 miles

*Saturday, February 13, 2016 by bethany*