|4x-3|-5=4 and |2x+3|+8=3, what are the solutions to the problems

Option 1: $30 an hour plus a nonrefundable deposit of $50 option 2: $20 an hour plus a nonrefundable deposit of $75 kyle is renting a jetski for the day. if he can rent the jetski in one hour increments, what is the minimum number of hours must he rent the jetski for option 2 to be a better deal then option 1?

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles