Answer:
1: 12x + 8
2: 21y - 3
3: 15p + 20r
Step-by-step explanation:
Answer:
x:16
this is related to the Pythagorean theorem
The solutions are: (-10,0), (-1,5), and (2,8). Please, see the attached graph.
Free movie, F = 87pts
Initial reward, I = 10pts
Additional reward, A = 7pts
Movie visit, X
F = I + XA
87 = 10 + 7X
X = (87-10)/7
X = 11
After 11 movie visits Andrew will have enough points for a free movie.
