Solve 3(2x + 9) + 7x = 79 for x.

Question 16 options:

A)
5.2

B)
4

C)
5.8

D)
7

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?

50 points~ ! i have to turn this in tomarrow