Which expression is equivalent to this expression? choose each thats correct. a. 12 + n + n + n b. 2n + 12 + n c. 3n - 12 d. 3n + 4

Ineed in figuring out this problem.

Marina baked cookies. she gave 3/4 of the cookies to the scout bake sale. she shared the remaining 6 cookies with her friends. how many cookies did marina bake?

Find the distance between the pair of points a(-1,8) and b(-8,4)