Answer:
B. -4 = x
Step-by-step explanation:
f(x) = 2x+7
-1 = 2x+7
solve for x
subtract 7 from each side
-1-7 = 2x +7 -7
-8 = 2x
divide by 2
-8/2 = 2x/2
-4 = x
im not sure what this is talking about be more spasific
Answer: b -5 yards
249.42 is the surface area