7.Which of the following equations will yield the surface area of a cylinder? SA = 2 lw + 2 lh + 2 wh

SA = 2 rh + 2 r2

SA = 2 B + Ph

SA = r2h

answer; ///i believe the correct answer is john marshall;

calvin taught his followers that human beings needed to follow strict rules to overcome their nature and do good. second choice

8 - (2a + 7) = a + 40     distribute/multiply - into (2a + 7)

8 - 2a - 7 = a + 40

1 - 2a = a + 40       add 2a on both sides

1 = 3a + 40         subtract 40 on both sides

-39 = 3a       divide 3 on both sides

-13 = a

[proof]

8 - (2a + 7) = a + 40

8 - (2(-13) + 7) = -13 + 40

8 - (-26 + 7) = 27

8 - (-19) = 27

8 + 19 = 27

27 = 27