F+G:

Then, add the elements that occupy the same position:

Solve

So, we find the element at address h31:

In this case, position h31 is - 8.0
Answer:
7 markers cost $8.95
Step-by-step explanation:
9x = 11.50
x = 11.5/9 = 1.278
Therefore, 7 markers, or 7x = 7(1.278) = 8.946
B.) r(x) - e(x) = p(x)
Profit is how much money remains after the expenses are deducted from the total revenue
He doesn't have a positive number. Add $45 and $112 together and it exceeds $79