Subtitute 2x+y=7 and 3x-y=8

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

Due to a packaging error, 4 cans labeled diet soda were accidentally filled with regular soda and placed in a 12 pack carton of diet soda. two cans were randomly selected from this 12 pack. what is the probability that both cans were regular soda?

What is the solution to the equation e3x=12? round your answer to the nearest hundredth