Answer:
56
Step-by-step explanation:
f (-4)=(-4^2)-8 (-4)+8
f(-4)=54
Answer: 16x-25 over 4(4x-5)(2x-3)
13 gallons
3 + 2x + 1 = 2x + 3
2x + 4 = 2x + 3
4 ≠ 3
no solution