Answer:
D. 
Step-by-step explanation:

To rewrite a mixed number as an improper fraction, first, multiply the whole number by the denominator.

Then, add this number to the numerator.

This number is now the numerator of the fraction. The denominator stays the same.

I hope this helps!
It looks like only A and B, but could be trick question?
Answer:
$123.25
Step-by-step explanation:
A selling price reflecting a 45% markup can be found by multiplying the wholesale price ($85) by (1 + 0.45), or 1.45:
1.45($85) = $123.25
Answer:D?
Step-by-step explanation:
The expression would be $0.20 x f. Once you figure out what the 'f' variable stands for, you have to multiply it by $0.20, and you will have your answer.