The last time Helen played softball, she hit the ball 15% of the times she was at bat. Based on this information, how many times will Helen hit the ball the next time she plays softball if she is at bat 20 times?

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.

Interpret the following expression (5y^2-7)^3/(2y)^2