Mp.1 make sense and persevere
the diagram shows how many laps three friends
swim each week. how can you determine the
number of miles ariel swam?
mackenzie: 28 laps
hune: 3 times as many laps as mackenzie
ariek 20 more laps than june
1. write and solve the hidden question(s)
you need to answer before you answer
the original question.
8 laps equal a mile
2. use your answers to the hidden question(s)
and an equation to determine how many
miles ariel swam.

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?

Aretha wanted to gather data about the cost of local bowling leagues in her area. she plotted the data and determined that the average bowling league costs consist of a one-time registration fee and a monthly fee modeled by the equation y = 15x + 20. identify and interpret the y-intercept in this model. the y-intercept is 20. this is the cost per month. the y-intercept is 20. this is the cost of registration. the y-intercept is 15. this is the cost of registration. the y-intercept is 15. this is the cost per month.

For g(x) = 5x - 3 and h(x) = [tex]\sqrt{x}[/tex], find (g · h)(4)