Art opened an account online that pays 2.8% interest compounded monthly. He has a goal of saving $8,000 by the end of four years. How much will he need to deposit each month?

Monica build a remote control toy airplane for science project to test the plane she launched it from the top of a building the plane travel a horizontal distance of 50 feet before landing on the ground a quadratic function which models the height of the plane in feet relative to the ground at a horizontal distance of x feet from the building is shown

Asphere has a diameter of 10 in. what is the volume of the sphere?

What is the absolute value of the complex number -4-sqrt2i