Milk is delivered to a store every 3 days. Bread is delivered to the store every 5 days. Both were delivered today. How many days until they are delivered again on the same day?

The difference of 2 numbers is 21 and the quotient of the equation is 4 then what are the two numbers?

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

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8