As we are given with

we are supposed to simplify this expression. which can be done as below


If you are meaning Nine times Nine the answer is 81.
Answer:
Where is the graph my friend??
3(3) - (-8)/4 = 9 + 2 = 11 so (3,-8) is solution
3(4) - 4/4 = 12 - 1 = 11 so (4,4) is solution
answer
C. both ordered airs are solutions