Which equations show inverse operations of each other?

choose exactly two answers that are correct.
a. 5 divided by 1/6 =30
b.5 times 1/6 = 5/6
c.1/6 divided by 5 = 1/30
d. 30 times 1/6 = 5

For what is the measure of the angle at the top of the shed? a. multiplication of areas b. squaring of areas c. addition of areas d. division of areas

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.