Martha and steve have 95 colored pencils. if martha has 4 times as many as steve, how many does steve have

Twenty-five percent of the customers entering a grocery store between 5 p.m. and 7 p.m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

On saturday morning, calls arrive at ticketmaster at a rate of 108 calls per hour. what is the probability of fewer than three calls in a randomly chosen minute?

Evaluate cos2θ for cosθ = square root of 3/2