During a sale, thetc price of a sweater was changed from $20 to $16. What was the percent of decrease in the price of the sweater?

65 meters are in how many centimeters

How do you solve 9+x/3x=5/6

Mia buys 3 gallons of gas that cost d (variable for dollars) dollars par gallon. Bob buys g (variable for gallons) gallons of gas that cost 3 dollars per gallon A. write an expression for the amount Mia pays for gas B.

At West High School, 10% of the student population is taking a calculus course, 8% is taking a physics course, and 6% is taking both.

What is 1 2/5 plus 2 3/10

A 21-foot flagpole casts a shadow. The distance along the ground from the base of the pole to the top of the shadow is 11 feet. What is the distance from the top of the pole to the tip of the shadow?

What is the surface area of a radio that is 7 in by 11 in by 2 in

Ten children are to be divided into an a team and a b team of 5 each. the a team will play in one league and the b team in another. how many different divisions are possible?

What is 656 divided by 78

What is the least common multiple for 165 and 22?