Simplify the expression -3a+5(a-1)-7 and then evaluate the solution to part b if a = -5

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?

Is fgh ~ jkl? if so, identify the similarity postulate or theorem that applies.

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?