I believe that it is the second and third boxes
Answer:
D. 507 square units
Step-by-step explanation:
surface area of the rectangular pyramid

A^2 + b^2 = c^2
9^2 + 12^2 = 225
square root of 225 is 15
C=25x+75 would be the equation
Step-by-step explanation:
75 dollars is the flat out fee right away and the 25 is for how many hours spent fixing the drain
The constant is 15, divide 45 by 3 then you’ll get 15. multiply 15 with the minutes and you’ll get the sit-ups