Explain the impact of planes and pulleys on work and force. Select the facts that are accurate. o planes and pulleys can decrease the level of force required to move an object
O planes and pulleys can decrease the level of work to move an object
o planes and pulleys can increase the speed of completed work
o planes and pulleys can change the direction of applied force

Identify the statement below as either descriptive or inferential statistics. upper a certain website sold an average of 117 books per day last week. is the statement an example of descriptive or inferential statistics? a. it is an example of descriptive statistics because it uses a sample to make a claim about a population. b. it is an example of inferential statistics because it uses a sample to make a claim about a population. c. it is an example of inferential statistics because it summarizes the information in a sample. d. it is an example of descriptive statistics because it summarizes the information in a sample.