Theirs your answer 661.091628959
Answer:
4x-12 or 4(x-3)
Step-by-step explanation:
9x+9+2x-7(3+x)
9x+2x+9-21-7x
11x-12-7x
11x-7x-12
4x-12
Nope because she only used two of the net faces
$1.66 because 50-39.59=10.40 so it would also add $8.75 so that = $1.66
Your answer is x={-1, 11/3}