Graph will look like this if this is one of the options
Answer:
Step-by-step explanation:


Since both equations have
, we can subtract the second equation from the first to try and solve for
:




With this, we can plug the value back into the first equation to solve for
:




Therefore, the solution is 
Answer:
They will need 11 tables
Step-by-step explanation:
The first 10 will seat 5, the 11th will seat the final 3.
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.