PLEASE HELP ASAP I can’t fail this

You work for a lender that requires a 20% down payment and uses the standard depth to income ratio to determine a person‘s a little eligibility for a home loan of the following choose the person that you would rate the highest on their eligibility for a home loan

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

The graph shows the amount of money noah earned based on the number of lawns he cut. which list shows the dependent quantities in the graph?