20 points . solve number 2 but if i got number 1 wrong tell me. ( don’t answer if you don’t know the answer or if you don’t want to explain your work )

What is the solution of sqrt x+2-15=-3

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.

An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute