The ratio of the width to the length of a rectangle is 4:15. If the perimeter of the rectangle is 152 meters, find the area of the rectangle.

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.

To decrease an amount by 16% what single multiplier would you use

Use the quadratic function to predict f(x) if x equals 8. f(x) = 25x2 − 28x + 585