Cylinder A:diameter=7in., height=12 in
cylinder B:diameter=12 in.,height=7 in

Combine like terms7y^2 + 7(6y^2 − 8)

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin.how many doctors use brand x aspirin