For the girl to lift this rock, she must push down with a force

a. equal to the weight of the rock
b. less than the weight of the rock
c. greater than the weight of the rock

B.

Step-by-step explanation:

B. The girl would have to use less force because she is using a simple machine, or a lever. The lever makes it easier to lift the rock because the rock is closer to the fulcrum.

john earns $14.00 for two hours of work.

the answer is (4,3)

since the rule for r0, 90º is (-y,x) and it was already applied to form the image, all you have to do is reverse the answer using this formula.