A sphere has a radius of 4 inches. Determine the effects on the surface area and volume of a sphere when the radius is changed.

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4

Full year - williamshow many square inches are in 60 square feet? 5 square inches72 square inches720 square inche8.640 square inches