If 12 men are needed to run 4 machines how many men are needed to run 20 machines

Acaterpillar started at point (−2.5, −5.5) on a coordinate plane. she crawled in a straight line through the origin to point (45, y). what is y?

Which statement most accurately describe why the division property of exponents does not apply to the expression (-8)^2/(-3)^4

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse