L
Uche pumps gasoline at a rate of 18
min
DU?
What is Uche's pumping rate in
s

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?

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10