Ahome improvement store rents vacuums at $45 for the first day and $22 for each day thereafter. if y represents the total cost and x represents the total number of days rented, which function rule describes this pattern?

Acircular hot tub located near the middle of a rectangular patio has a diameter of 48 inches. the patio measures 11 feet by 6 feet. what is the area of the patio that is not covered by the hot tub?

Which shows the pre image of triangle xyz

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?