Answer:
5 times
Step-by-step explanation:
Given that the probability of a 2 is
then number of times a 2 will be rolled is
30 ×
= 5
It represents that she tutored for 0 hours, and earned $0.
You can eliminate 81 because we know 
The dot is on approximately 9.32 (my estimate) so I would square that number:
(9.32)² = 86.8624 so if you round this you get 87
I think the answer is (2x - 9)(x - 5)