A pencil costs 0.30 and a pen costs 0.50. You buy 10 pencils and the total is $7.50. How many pens did you buy.

Ana played 5 rounds of golf, and her lowest score was an 80. It was discovered that Ana broke some rules when she scored 80, so that score will be removed from the data set. How will the removal of the lowest round affect the mean and the median?

Rick has d dollars. The formula for the number of gallons of gasoline that Rick can buy with d dollars is given by g = d/3. The formula for the numbers of miles that Rick can drive on g gallons of gasoline is given by m = 21g.

He needs 2,000 but has 832

Solve for x. - 2.3 (x-1.2) = - 9.66 Enter your answer, as a decimal, in the box.

I have homework that says the total cost is the numbers of cans times $.70. what is the algebraic expression for this problem.

4/5=27/x using two different methods. Explain each method

What are the odds of rolling two number cubes and getting a sum of seven? 1/6 1/7 5/31 1/5

What is the value of the expression (-4) 3? A. 64 B. 12 C. -12 D. -64

Identify the number rational and irrational 291.7

Martin has 28 basketball ball cards. Martin has 12 times as many basketball cards as Josie. Josie has 29 more cards than kal. How many basketball cards does Martin have