It takes Jett 2 hours to shovel the snow from a driveway and sidewalk. When Ace helps him, it takes only 1 hour. How long does it take Ace to shovel the driveway and sidewalk alone.

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers

Witch represents the inverse of the function f(x)=1/4x-12

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.