Find the volume of a sphere with radius of 10 feet. round to the nearest whole number.

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

Determine if the equation defines y as a function of x: 2xy = 1. yes o no

The equation of line wx is y=2x-5. write an equation of a line perpendicular to line wx in slopeintercept form the contains points (-1,-2)