12 gallons of gas cost $30. How much will it cost to get an additional 4 gallons of gas?

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

Solve the equation -9p - 17 =10 a -3 b. 16 c. 18 d -16

1) what is the measure of the exterior angle, ∠uvw ? 2) in triangle man, what is the measure of the exterior angle at n (in degrees)?