As a gardener, Joey earns $19.20 per hour. He earns double time for work on Saturdays. Last week, he worked 25 regular hours plus 8 hours on Saturday. What was his total pay for last week?

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?

Astudent was asked to find the square of 7x+3. the student quickly wrote (7x+3)^3= 49x^2+9. identify the student's error and provide the correct answer.

Def rotates 90 clockwise about point a to create d’ e’ f’. therefore, which equation must be true ?