Originally the dimensions of a rectangle were 20cm by 23cm. When both dimensions were decreased by the same amount, the area of the rectangle decreases by 120. Find the dimensions of the rectangle.

A percent is the result of a number being expressed as a fraction

How much coins is 34 quarters, 25 dimes and 36 pennies

Among all pairs of numbers whose sum is 16 , find a pair whose product is as large as possible. what is the maximum product

Find the area of this parallelogram. Be sure to include the correct unit in your answer.

At a General Electric Plant they produced 12,000 jet engines in May. General Electric was able to sell 11,000 of these engines. Calculate the total ending inventory cost assuming each engine cost $290,000

Write each rational number as a repeating decimal. 1. - 7/9 2. 11/15 3. 8/3

Mazie 7 Chris 4 Jenni - 3 Scott 0 Michael 2 Zoe 4 Liza - 5 Thomas - 1 Benjamin 6 Josie 1 Chase 8 David - 4 Students in Mr. Miller's class gain and lose stars for behavior during the day.

A tree that is 2 feet tall is growing at a rate of 1 foot per year. A 6 foot tall tree is growing at a rate of ½ foot per year. In how many years will the trees be the same height? How tall will the trees be? system of equations

The diameter of a circular rug is 5.6 feet what is the circumference

It takes a person 30 minutes to gather 1 basket of fruit. Working at the same rate, how many baskets can 25 people gather in 8 hours?