Bob has 3bookshelfs that hold a total of 27 books. he adds a fourth shelf and now has 36books. if he adds 2 more shelves, how many books can he have in total

If you wanted to reduce a 8 by 6 rectangle by a ratio of 1/4, what would the dimensions of the new rectangle be?

Your friend gave you a gift card for your birthday. You use it to buy a DVD for $15. The gift card balance shown on the receipt after the purchase is $45. What was the original value of the gift card?

Isabel had two pages of math homework and four pages of reading homework. If each page had five problems on it, how many problems did she have to complete total?

Which greek mathematician wrote the most definitive text on geometry

What is round to the nearst thounsand 3,489

What plot is used for data ordered smallest to the largest median

Solve the solution for y. Y-3x=13

The cost of paper varies directly with the number of reams bought. Suppose 2 reams cost $5.10. Write a linear equation that could be used to find the cost of x reams of paper. Find the cost of 15 reams of paper

What is 16231 divided by 23

A certain first covers an area of 4100 km^2. Each year this area decreases by 3.75 percent. What will the area be after 11 years?