A teacher randomly selects 3 exams from 47 exams of which 14 are perfect scores. Find the probability that the teacher selects the ones with perfect scores. Round to four decimal places.

Turner's mom measured his room to see how long the wallpaper border needed to be. if two walls are 15 feet long and two walls are 12 feet long, how long should the strip of border be cut?

What is the remainder when 2872 is divided by 76? a) 51 b) 57 c) 60 d) 63

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.