Colton is filling 5 aquariums with water. each aquarium needs 72 gallons of water. about how many gallons of water are needed to fill all the aquariums? a. about 14 gallons b. about 70 gallons c. about 350 gallons d. about 500 gallons

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

What percent of the circle below is shaded?

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.