Rebecca is buying a couch for her house. she gets to pick it out, but her roommate has to approve it. the probability of rebecca choosing a gray couch is 85%. the probability that her roommate approves her choice is 50%. what is the possibility that rebecca chooses a gray couch and her roommate approves?

Np4=12np2 with clear explanation.

Student price tickets to a movie are $1 and non student tickets are $2. 350 tickets are sold and the total amount made is $450. how many non student tickets were sold ? a) 100 b) 150 c) 200 d)250

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second