A maple tree casts a shadow that is 19 feet long. A nearby sign post casts a shadow that is 10 feet long. If the maple tree is 12 feet tall,
how tall is the sign post, to the nearest tenth of a foot?

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

What is the result of the following division?

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250