Which expression represents the perimeter of the rectangle above

Three cylinders have a volume of 2836 cm^3. cylinder a has a height of 900 cm. cylinder b has a height of 225 cm. cylinder c has a height of 100 cm. find the radius of each cylinder. use 3.14 as an approximate for π

Solve the triangle. a = 21°, c = 105°, c = 5

Find the unit rate for: 75% high-fiber chimp food to 25% high -protein chimp food.