In a group of 50 students, 28 speak English and 37 speak Spanish. If everyone in the group speaks at least one of the two languages, how many speak both English and Spanish?

Two cyclists leave towns 165 km apart at the same time and travel toward each other. one cyclist travels 7 / km h faster than the other. if they meet in 5 hours, what is the rate of each cyclist

Ben just purchased a new shirt for $27.20 during a 15% off sale what was the original price of the shirt

Find the sum of X + y, when x = 3.1, and y = 5.4

The side of one square is equal to 1m, and its diagonal is equal to the side of a second square. Find the diagonal of the second square.

The number of private investigators is expected to increase from 52,000 in 2006 to 61,000 in 2016. If there are 648,982 police officers in 2006, how many police officers must there be in 2016 to have a greater percent increase than that of private

If a and b are two rational numbers, which expressions are equivalent to a-b? Mark all that apply. A. a-|-b|, if b>0. B. a+|-b|, if b>0. C. a + (-b), if b>0. D. a-|-b|, if b<0. E. a+|-b|, if b<0. F. a + (-b), if b<0

Mr. Henderson has 2 bouncy ball vending machines. he buys one bag of the 27 millimeter balls and one bag of the 40 millimeter balls. he puts a n equal number of each in the 2 machines. how many bouncy balls does he put in each machine

What is the equivalent ration for 12/30

Morgan mowed 12 lawns in 2 hours. What was her rate of mowing in lawns per hour? Express your answer in simplest form.

If y=-4 when x=10 find y when x=5