Answer:
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.
Answer:

Step-by-step explanation:
Your welcome
larry has 3 packer sin each 15 and total are 45 u wish put in 10 bags then divide 45 by 10 anser is 5
answer 4
Step-by-step explanation:
if ab 4
dc 4
assuming a square bc 4
Define the population, decide on the sample size (aka what percentage of that population)