Answer:
⅔+⅔n=-½
6×⅔+6×⅔n=6×-½
2×2+2×2n=-3
4+4n=-3
4n=-3-4
4n=-7
n=-7/4
i think it is C 80π ft^2
that is because 10*8=80
Step-by-step explanation:
f(-7) = 5(-7) - 3 = -35 - 3 = -38