Saturday

November 28, 2015
**College Chemistry **

Calculate the unknown of Ag+ if the potential of the following concentration cell is 300 mV at 25.0 C. Ag|Ag+(unknown)||Ag+(0.100M)|Ag I think I have to use Nernst Equation of Ecell=E0-.0592/nlogQ And at 25C is at 298K so i don't have to change anything. I am not sure if i...
*Wednesday, May 6, 2015 by Samantha*

**college precalculus**

Saving. How much money should be invested monthly at 6% per year, compounded monthly, in order to have $2000 in 8 months?
*Tuesday, May 5, 2015 by tim*

**Statistics**

SAT scores are distributed with a mean of 1,500 and a standard deviation of 300. You are interested in estimating the average SAT score of first year students at your college. If you would like to limit the margin of error of your 95% confidence interval to 25 points, how many...
*Saturday, May 2, 2015 by Sara*

**college precalculus**

find the sum of the infinite geometric series 1/3^6+1/3^8+1/3^10+1/3^12........ -100/9+10/3-1+3/10
*Friday, May 1, 2015 by fred*

**English**

In our text discussion, we compared a two-way conversation with a top-down situation, such as that which students encounter when listening to a lecture. What was this comparison intended to illustrate? A. The need to pay attention to an instructor’s lecture B. The value ...
*Thursday, April 30, 2015 by clary*

**computer**

2. The website for Long Island University provides online A. style guides. B. bibliography generators. C. print and ebooks that include citation and documentation guides. D. resources that are a popular means of disseminating information. 5. Penn Foster's Academic ...
*Wednesday, April 29, 2015 by Tina*

**English, pls help**

Pls help "About Russell" 27. During "the greatest kickball game ever," Russell (1 point) scores the winning point. leaves with the ball. causes his team to lose. starts an argument, ending the game. 28. When Rita beats Russell at chess, she is amazed that ...
*Tuesday, April 28, 2015 by Anny*

**English, pls help asap**

Pls help "About Russell" 27. During "the greatest kickball game ever," Russell (1 point) scores the winning point. leaves with the ball. causes his team to lose. starts an argument, ending the game. 28. When Rita beats Russell at chess, she is amazed that ...
*Tuesday, April 28, 2015 by Anny*

**College Algebra**

A rectangular enclosure is to be constructed with 2,000 feet of fence in order to have four sections, as in the diagram below. What should be the dimensions in order to maximize the area enclosed? What is the maximum area? (So the diagram is just four rectangles connected side...
*Monday, April 27, 2015 by Sasha*

**College Algebra**

A large hotel finds that it can rent 95 rooms when it charge $100 per room. For each $1 increase in room cost it rents one room less. (Likewise, for each $1 decrease in room cost it rents one room more) What price should it charge in order to maximize the revenue? Well, ...
*Monday, April 27, 2015 by Sasha*

**math**

A college is planning to construct a retangular parking lot on land bordered on one side by a highway. The plan is to use 680 feet of fencing to fence off the other three sides. What dimensions should the lot have if the enclosed area is to be a maximum?
*Sunday, April 26, 2015 by ddot*

**Ethics in Tech**

Unlike most professionals, the typical software engineer does NOT: A. have a college education. B. make important decisions. C. make more than minimum wage. D. work directly with individual clients. Is it C
*Friday, April 24, 2015 by Amy*

** college math**

Write each ratio or rate as a fraction in simplest form. l 1/2 to 3/4 That's One and one half to three fourths I think the answer is 2/1
*Thursday, April 23, 2015 by Carrie*

**College algebra**

. If i = ¡Ì-1, then (i + 1)(6i ¨C 10) is equivalent to?
*Thursday, April 23, 2015 by Sean*

**College Algebra**

The function w(x) = -0.01x² + 0.27x + 8.60 can be used to estimate the number of self-employed workers in America in millions, x years after 1980. For what years were there (or will be there) 9.7 million self-employed worker in America?
*Thursday, April 23, 2015 by Sean*

**college math**

sorry forgot to give the figures 3.32 divided by 4 x 10 round to nearest thousandth if necessary I have 8.3
*Thursday, April 23, 2015 by Carrie*

**College math**

Perform the indicated operations. Round division answers to the nearest thousandth if necessary. I have the answer 8.3, did not think you needed to round the thousandth.
*Thursday, April 23, 2015 by Carrie*

**Statistics**

A simple random sample is conducted of 1486 young adults who were once college students seeking bachelor’s degrees at a specific university. The study found that 780 of these young adults actually earned bachelor’s degrees. Use a 0.05 significance level to test the ...
*Wednesday, April 22, 2015 by Giselle*

**College/education class**

What are the most effective and ineffective uses of objective assessments for instructors and learners? What is your view on the relative advantages and disadvantages of using objective tests? How might you incorporate objective assessments in your instructional design in the ...
*Tuesday, April 21, 2015 by Cathy*

**college algebra**

a chemist needs to prepare 28 ounces of a 8% hydrochloric acid solution. find the amount of 14% solution and the amount of 7% solution he should mix to get this solution.
*Monday, April 20, 2015 by anna*

**College Accounting **

The Thompson Company uses activity-based costing to determine product cost. Three activities and their rates have been calculated as shown below. Setting up equipment = $500 per setup Moving goods = $20 per move Machining = $4 per machine hour Thompson provided the following ...
*Friday, April 17, 2015 by K*

**math**

3.A poll was taken to determine the birthplace of a class of college students. Below is a chart of the results. a.What is the probability that a female student was born in Orlando? b.What is the probability that a male student was born in Miami? c.What is the probability that ...
*Thursday, April 16, 2015 by jorgbor*

**College/education class**

Where can I find examples of a formative assesment a summative assessment a formative evaluation and a summative evaluation. And can you tell me what the difference is between the assessments and the evaluations. From what I understand in my text, assessments are used in ...
*Thursday, April 16, 2015 by Cathy*

**Strategies for the Independent Learner**

When you approach a text, you should A. survey it, using the technique called SQ3R. B. dive right in at the first page and read the assigned section. C. skip over words you don’t know. D. read only the boldface type. 2. The proctored exams for your degree courses are A. ...
*Thursday, April 16, 2015 by Jessica*

**College Physics**

Two cars collide at an icy intersection and stick together afterward. The first car has a mass of 1050Kg and was approaching at 8.00m/s due south. The second car has a mass of 700Kg and was approaching at 20.0m/s due west. A) Calculate the final velocity of the cars.(Note ...
*Thursday, April 16, 2015 by Josie *

**statistics**

The distribution of B.A. degrees conferred by a local college is listed below, by major. Major Frequency English 2073 Mathematics 2164 Chemistry 318 Physics 856 Liberal Arts 1358 Business 1676 Engineering 868 9313 What is the probability that a randomly selected degree is not ...
*Thursday, April 16, 2015 by Bob*

**math**

The batting averages of the first three batters in the Eureka College women’s softball team lineup are .310, .301, and .277. If the first three batters are considered as the “lead-off group”, what is the batting average of the group? A. .301 B. .296 C. There is ...
*Wednesday, April 15, 2015 by Jane*

**debate-english**

I need help in finding good online sources for my essay. The topic and question is; why do community college students drop out?
*Wednesday, April 15, 2015 by ben green*

**english**

Which of the following would most likely be an entry in a sentence outline? A. Education beyond high school versus education beyond college B. Education as a pathway C. Education as a tool D. Education can change a person's life.
*Wednesday, April 15, 2015 by sheila*

**Biology, Chemistry **

I know how to carry out an absorption spectrum I just need help on how to to prepare my test tubes and what to put in then. I am very confused and any help would be greatly appreciated. THANKS ! You will be given a sample containing an unknown concentration of protein (Bovine ...
*Monday, April 13, 2015 by Arooj*

**statistic**

Suppose a 95% confidence interval for the mean salary of college graduates in a town in Mississippi is given by [$36,080, $43,920]. The population standard deviation used for the analysis is known to be $12,000. a. What is the point estimator of the mean salary of all college ...
*Sunday, April 12, 2015 by Heather*

**statistics**

Which data provide the answer to the question: “How frequently can a student at Eureka College be expected to study more than three hours a day?” A. Of 100 students surveyed, 43 reported that they study at least three hours a day twice a week. B. Of 100 students ...
*Friday, April 10, 2015 by phia*

**Algebra**

Jan received $2,200 from her aunt as a birthday gift. She decided to put the money in an account to save for college. The account has a fixed interest rate of 7.7%, compounded annually. How much money will be in the account after five years?
*Monday, April 6, 2015 by Sydney*

**Math **

On Joe Martin's graduation from college, Joe's uncle promised him a gift of $12000 in cash or $900 every quarter for the next 4 years after graduation. If money could be invested at 8% compounded quarterly, which offer is better for Joe? I have done this problem but I ...
*Sunday, April 5, 2015 by Maggie Hopkins*

**social studies 8th**

1. The “separate-but-equal” doctrine comes from which of the following? (1 point) Jim Crow laws the Plessy v. Ferguson decision*** the Cumming v. Richmond Board of Education decision anti-Semitism 2. John Hope became the first African American president of which ...
*Monday, March 30, 2015 by XenaGonzalez*

**Statistics**

College officials want to estimate the percentage of students who carry a gun, knife, or other such weapon. How many randomly selected students must be surveyed in order to be 94% confident that the sample percentage has a margin of error of 2 percentage points?
*Sunday, March 29, 2015 by Richelle*

**statistics**

A recent survey showed that among 675 randomly selected subjects who completed 4 years of college, 138 smoke and 537 do not smoke. Determine a 95% confidence interval for the true proportion of the given population that smokes.
*Sunday, March 29, 2015 by Richelle*

**math**

Ruth's brother just went away to college this fall and had to buy his own laundry soap and fabric softener.The laundry soap was twice the cost of the fabric softener. the total of the two items was $7.47. how much did the laundry soap and the fabric softener cost ...
*Sunday, March 29, 2015 by nicole*

**Pschology 202**

1. The three broad categories, also called domains, of adult development are: physical, cognitive, and sexual. (Points : 1) True False Question 2.2. Temperament is a term that relates to personality and emotional development. (Points : 1) True False Question 3.3. True or False...
*Sunday, March 29, 2015 by Sharnii23*

**Pschology 202**

1. David is somewhat afraid of flying. When he is required to travel on business, he prefers to take a train or drive if the distance is short enough that he can arrive on schedule. However, if the distance is long and driving does not make sense, he will fly because he does ...
*Sunday, March 29, 2015 by Sharnii23*

**HARD COLLEGE CHEMISTRY**

a solution containing 100.0 mL of 0.135 M CH3COOH (ka=1.8E-5) is being titrated with 0.54 M NaOH. calculate the ph: at the equivalence point and 5 mL past the equivalence point. how much is 5 mL past? i do not know how to do it?
*Saturday, March 28, 2015 by jk*

**COLLEGE CHEMISTRY HARD**

calculate the ph at the equivalence point for the titration of 0.01 M Ch3COOH with 0.1 M NaoH ka= Ch3Cooh 1.8E-5 idek how to do it?
*Saturday, March 28, 2015 by jk*

**college chemistry HARD**

a solution containing 100.0 mL of 0.135 M CH3COOH (ka=1.8E-5) is being titrated with 0.54 M NaOH. calculate the ph: at the equivalence point and 5 mL past the equivalence point. how much is 5 mL past? i do not know how to do it?
*Saturday, March 28, 2015 by jk*

**Education/College level**

Considering the pros and cons concerning electronic gaming make a case for or against the use of these educational games in the leaning environments. if I get ideas from others I must use a citation. Can you help me write teacher. I work in the prek setting as a parapro and we...
*Saturday, March 28, 2015 by Cathy*

**math**

A class survey in a large class for first-year college students asked, “About how many minutes do you study on a typical weeknight?” The mean response of the 463 students was = 118 minutes. Suppose that we know that the study time follows a Normal distribution with ...
*Friday, March 27, 2015 by jordon*

**College Algebra**

A rectangular garden next to a building is to be fenced on three sides. Fencing for the side parallel to the building costs $60 per foot, and material for the other two sides costs $20 per foot. If $1,500 is to be spent on fencing, what are the dimensions of the garden with ...
*Thursday, March 26, 2015 by Zach*

**college chemistry**

calculate the solubility of SrF2 (ksp=7.9E-10) in 0.100 M Sr(NO3)2 ? The answer is 4.44E-5 M how do you get that? I Have no clue I saw the setup but it doesnt get 4.44E-5 M
*Wednesday, March 25, 2015 by JF*

**statistics**

4.The College Boards, which are administered each year to many thousands of high school students, are scored so as to yield a mean of 500 and standard deviation of 100. These scores are close to be normally distributed. a. What percentage of the scores can be expected ... ... ...
*Wednesday, March 25, 2015 by kelli*

**math**

ted takes out a student loan to pay for his college tuition this year. Find the interest on the loan if he borrowed $2,500 at an annual interest rate of 6% for 15 years. Could someone help step by step, I cant seem to get it. Thank you
*Tuesday, March 24, 2015 by sam*

**college chemistry**

solid diarsenic trioxide reacts with Flourine gas to produce liquid arsenic pentaflouride and oxygen gas. Write the Qc for this reaction
*Tuesday, March 24, 2015 by Mia*

**Englisg**

1) Using a single formatting _____ helps to make reading researched information easier;it lets the reader know what to expect. A. Citation B. Text C. Style D. Website My answer was B I got it wrong 2) when creating a writing plan,which of the following should come first? A. A ...
*Tuesday, March 24, 2015 by Justin Please Check*

**English**

Which of the following would most likely be an entry in a sentence outline? A. Education tool B. Education can change a person's life C. Education as a pathway D. Education beyond high school versus education beyond college My answer was D I got it wrong Would it be a
*Monday, March 23, 2015 by Justin*

**Writing**

Please help! 1) Using a single formatting _____ helps to make reading researched information easier;it lets the reader know what to expect. A. Citation B. Text C. Style D. Website My answer was B I got it wrong 2) when creating a writing plan,which of the following should come...
*Monday, March 23, 2015 by Becca please read *

**College**

how do you write 1.1x10 to the 5 power in a standard notation
*Monday, March 23, 2015 by Kimberly*

**math**

Ted takes out a student loan to pay for his college tuition this year. Find the interest on the loan if he borrowed $2,500 at an annual interest rate of 6% for 15 years. What is the formula to figure this out ?
*Monday, March 23, 2015 by sam*

**Statistics**

The Economic Policy Institute periodically issues reports on wages of entry-level workers. The institute reported that entry-level wages for male college graduates were $21.68 per hour and for female college graduates were $18.80 per hour in 2011 (Economic Policy Institute ...
*Monday, March 23, 2015 by Taylor*

**reading and writing**

In which sentence does the italicized word have a negative connotation? A. Although she had worked hard in high school, Ruth found the college courses challenging. B. Jenna's green eyes and dark eyelashes gave her an exotic look. C. Jack, who is the most outspoken member ...
*Sunday, March 22, 2015 by brittney*

**critical thinking**

Which of the following is not a way to succeed in college? A. Be flexible with planning activities B. avoid procrastination C. establish realistic goals for yourself D. organize a work space my answer is b.
*Sunday, March 22, 2015 by Saddia*

**statistics**

Average entry level salaries for college graduates with mechanical engineering degrees and electrical engineering degrees are believed to be approximately the same. A recruiting office thinks that the average mechanical engineering salary is actually lower than the average ...
*Friday, March 20, 2015 by etoile*

**College Math**

An open-topped rectangular box is to be constructed from a 24 inch by 36 inch piece of cardboard by cutting out squares of equal sides from the corners and then folding up the sides. What size squares should be cut out of each of the corners in order to maximize the volume of ...
*Friday, March 20, 2015 by Dan*

**english**

“It is fifty-one years since we first met, and we have been busy through every one of them, stirring up the world to recognize the rights of women,” Susan B. Anthony wrote her friend Elizabeth Cady Stanton in 1902. The letter, in honor of Stanton’s eighty-...
*Wednesday, March 18, 2015 by jimm*

**Math**

In a survey of 300 college graduates, 58% reported that they entered a profession closely related to their college major. If 6 of those survey subjects are randomly selected without replacement for a follow-up survey, what is the probability that 3 of them entered a profession...
*Monday, March 16, 2015 by Hannah*

**statistics**

According to a college survey, 22% of all students work full time. Find the mean and standard deviation for the number of students who work full time in samples of size 16.
*Monday, March 16, 2015 by Hannah*

**Statistics**

The average SAT score for the 300 students accepted at Tiny College this year is 1,050 with a standard deviation of 275. If a random sample of 40 students is selected from this class, what is the probability that the average SAT score will be greater than 1,000?
*Monday, March 16, 2015 by Leo Elvis*

**college algebra**

How much should be deposited in an account paying 3.5% interest, compounded quarterly, in order to have a balance of $ 6,000after 17years and 3months?
*Saturday, March 14, 2015 by James*

**Education/College level**

Using the NETS for teachers Standard 1. b. Facilitate and inspire student learning and creativity. b. Engage students in exploring real-word issues and solving authentic problems using digital tools and resources. Using this standard I have to: create a lesson plan that ...
*Saturday, March 14, 2015 by Cathy*

**college physics**

When a thin 12.0cm iron rod moves with a constant velocity of 6.50m/s perpendicular to the rod, the induced emf across its ends is measured to be 0.300V. What is the magnitude of the magnetic field?
*Friday, March 13, 2015 by a*

**Social Studies **

CCA User 2) The only native american's who successfully stayed on their land were the? A)Seminole*** B)Sauk C)Cherokee D)Fox 5)The first college in the United States to admit women and African Americans? A)Mount Holyoke B)Ashmun Institute C)Oberlin college of Ohio D)...
*Friday, March 13, 2015 by Kailli*

**ART PLS HELP**

Why might a college choose to use greek architectural elements such as columns The greek temple has often inspired the design of what type of american structure? A. amphitheater B. colosseum C. courthouse***** D. bridge AM I RIGHT?!? PLEASE LET ME KNOW ASAP 2.when designing ...
*Thursday, March 12, 2015 by Unknown*

**english confused **

ive read this story over five times and still dont really get the meaning of bia's dream help plzz RED MESA, Arizona (Achieve3000, July 21, 2007). Although she grew up as a Diné, the term Navajo members use to describe their nation, young Andrethia Bia measured her ...
*Thursday, March 12, 2015 by jimm*

**language arts**

WEDNESDAY March 11, 2015 SCHOOL SUBJECTS Art Business Computers English Foreign Languages Health 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 ...
*Wednesday, March 11, 2015 by hello*

**Physics College**

A heat engine operates in a Carnot cycle between 78.0°C and 340°C. It absorbs 22,000 J of energy per cycle from the hot reservoir. The duration of each cycle is 3.00 s. (a) What is the mechanical power output of this engine? (answer in kW) (b) How much energy does it ...
*Tuesday, March 10, 2015 by Meena*

**College Algebra **

John invested his savings in two investment funds. The $12,000 that he invested in Fund A returned a 3% profit. The amount that he invested in Fund B returned a 10% profit. How much did he invest in Fund B, if both funds together returned a 6% profit?
*Tuesday, March 10, 2015 by Sara *

**Art**

Democratic Architecture 1) The Greek temple has often inspired the design of what type of American structure? :Amphitheater. :Colosseum. :Courthouse.*** :Bridge. 2) Why might a college choose to use Greek architectural elements such as columns when designing the central ...
*Monday, March 9, 2015 by TheLOUDEST_0430*

**College Math**

How much money will I get if i invest $2600 with an APR of 6.2% compounded continuously over a 7 year period.
*Sunday, March 8, 2015 by Ashton*

**Education/College level**

National Education Technology Standards: NETS for Teachers. 1. Facilitate and Inspire Learning and Creativity. b. engage students in exploring real-world issues and solving authentic problems using digital tools and resources. What skills and competencies does this standard ...
*Saturday, March 7, 2015 by Cathy*

**College Algebra**

a paper manufacturing company recycles paper, cans and other sheet metal. the profit on the paper is $500 and the profit on the cans is $350 per pound A) write the objective function that models the daily profit B) the manufacture is bound by the following constraints , namely...
*Friday, March 6, 2015 by meri*

**College Algebra**

take the indicated quadratic inequality x^2−13x+36≤0 A)determine the type of graph B)does it go up or down C) the size D)graph the equation E)define the vertex F)X -intercept G) Y-intercept H)focal point
*Friday, March 6, 2015 by meri*

**College Algebra**

a paper manufacturing company recycles paper, cans and other sheet metal. the profit on the paper is $500 and the profit on the cans is $350 per pound A) write the objective function that models the daily profit B) the manufacture is bound by the following constraints , ...
*Friday, March 6, 2015 by meri*

**College Algebra**

write an equation for the line that passes though (3,3) and is parallel to the line with equation 4x+y-5=0
*Friday, March 6, 2015 by meri*

**College Algebra**

let F ( X) = X^2 -2x+1 and g (X) =x-1 A) Find f ( g (2)). B) Find g (f(-1)). C) Find f (2) -g(3) D) Find f(-1)*g(-2) E) Find f ( X)/g(X)
*Friday, March 6, 2015 by meri*

**College Algebra**

take the indicated quadratic inequality x^2−13x+36≤0 A)determine the type of graph B)does it go up or down C) the size D)graph the equation E)define the vertex F)X -intercept G) Y-intercept H)focal point
*Friday, March 6, 2015 by meri*

**College Algebra**

write the linear function in slope intercept format of the line passing through A (1,3) B(4,-4)
*Friday, March 6, 2015 by meri*

**College Algebra**

Find the Distance between the points A (2,3) and B (-1,-1)
*Friday, March 6, 2015 by meri*

**College Algebra**

Find the domain and range of the function F(X) = x+4 ------ X^2−1
*Friday, March 6, 2015 by meri*

**College Algebra**

it is a known fact that the snout of a florida crocodile is seen above water varies directly with its body length if you see a crocodiles snout above water that is 2 feet long the normal body length is 7 feet, therefore if you see a snout above water while canoeing that is ...
*Friday, March 6, 2015 by meri*

**College Algebra**

find the accumulated value of an investment of 680$ @ 4% compounded monthly for 17 years
*Friday, March 6, 2015 by meri*

**delgado community college**

seawater contains 0.0065% (by mass) of bromine. how many grams of bromine are ther in 1.oo l of seawater? the density of seawater is 1.025 g/ml.
*Thursday, March 5, 2015 by nona*

**Art Help Please!**

Why might a college choose to use Greek architectural elements such as columns when designing the central building on campus? A. Greek architecture symbolizes the pursuit of peace and love. B. Greek architecture symbolizes the pursuit of truth and knowledge. C. Greek ...
*Wednesday, March 4, 2015 by Anonymous*

**immaculate college**

FindA if (2sinA\2)squared=2
*Wednesday, March 4, 2015 by Rachel*

**Art Help!!! Thank you**

1.The Greek temple has often inspired the design of what type of American structure? A. amphitheater B. Colosseum C. courthouse D. Bridge Is the answer A?? Thanks in advance 2. Why might a college choose to use Greek architectural elements such as columns when designing the ...
*Tuesday, March 3, 2015 by anonymous*

**political theory**

I don't have an assignment due, but I'm having trouble understanding the themes that are in the Persian Letters by Montesquieu. Has anyone read them? I'm in college. I'm having trouble understanding the Harem sequence, and these themes: lack of self knowledge, ...
*Tuesday, March 3, 2015 by bayley*

**college chemistry**

We did not find any results for 'An automobile gasoline tank holds 23.0 gal when full. How manypounds of gasoline willit hold if the gasoline has a density of 0.737 g/ml?
*Monday, March 2, 2015 by kristy*

**college physics**

A fisherman poles a boat as he searches for his next catch. He pushes parallel to the length of the light pole, exerting a force of 245 on the bottom of a shallow lake. The pole lies in the vertical plane containing the boat's keel. At one moment, the pole makes an angle ...
*Monday, March 2, 2015 by molly*

**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 ...
*Monday, March 2, 2015 by Amanda*

**Geometry**

A survey showed that 23 % of college students read newspapers on a regular basis and that 82 % of college students regularly watch the news on TV. The survey also showed that 21 % of college students both follow TV news regularly and read newspapers regularly. (a) What is the ...
*Sunday, March 1, 2015 by Anonymous*

**statistics**

A headline in a certain newspaper states that "most stay at first job less than 2 years." That headline is based on an online poll of 320 college graduates. Among those polled, 72% stayed at their first full-time job less than 2 years. a. Assuming that 50% is the ...
*Friday, February 27, 2015 by slomomo*

**college physics **

The builders of the pyramids used a long ramp to lift 21000-kg (21-ton) blocks. If a block rose 1.1 m in height while traveling 20 m along the ramp’s surface, how much uphill force was needed to push it up the ramp at constant velocity?
*Friday, February 27, 2015 by Martez *

**Statistics **

The results of a nationwide survey show that 57.40% of college students have violated rules of alcohol use. The margin of error for the survey is 2.30%. What does this mean?
*Friday, February 27, 2015 by Chelsea *

**hi**

1. New Harmony, Indiana, was an example of a _____. (1 point) revival frontier camp utopia college
*Thursday, February 26, 2015 by PLZ... CHECK MY WOK~LA*