It takes 60 minutes for 7 people to paint 5 walls. how many minutes does it take for 10 people to paint 10 walls?

Find the value of x for which the lines are parallel.

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11