*35 points* need asap show working

Diana is painting statues. she has 7/8 of a liter of paint remaining. each statue requires 1/20 of a liter of paint.how many statues can she paint? yeah dad i added the cup to the door now will you stop emailing me while im doing my homework.(lmbo xd i just realized this wooow)

What is the y intercept of f(x)=(1/2)^x?

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.