The equation 9(u – 2) + 1.5u = 8.25 models the total miles michael traveled one afternoon while sledding, where u equals the number of hours walking up a hill and (u – 2) equals the number of hours sledding down the hill. which is the value of u?

a. u = 0.25
b. u = 0.75
c. u = 1.1
d. u = 2.5

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?

Which graph depicts the path of a projectile

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog