When you factor out this equation you get:
(2a+3b)(5a²-2b²)
Answer: 
Step-by-step explanation:
We have the following function:

And we have to evaluate it when
, this means we have to substitute
by
:

Solving:

Finally:

It could be either y = 12.75x or y = 13x. Check if you made a typing error because these rates are both better than B
Answer:
C) 16
Step-by-step explanation:

Answer: $357 is more amount budgeted for food increase.
Explanation:
Since we have given that
Number of people according to the budget = 150
Cost of food per person= $4.25
Total cost of food is given by

If the number of guests attending the opening was 56% more than expected,
So, number of guests now is given by

Total cost of food is given by
Difference between them is given by

Hence, $357 is more amount budgeted for food increase.