the ansewer to the first question is three
Lacey, because you have to do the opposite when you want to get rid of a number. She subtracted 20 because it was originally positive 20. Chris messed up and did not do the opposite, subtraction, and instead he added 20
Answer:
Step-by-step explanation:
Im pretty sure this 3d object is a prism but the formula for it should be V=B(base area) x h(height) so V= 120 x 10 = 1200in^3
Answer:
y=4x^2-31
Step-by-step explanation:
