Math ten points

nathan took his car in for service and repairs he had a coupon for 15 % off.

.labor $268.38
.parts $382.69
.other $68.34

which amount is closest to nathans total costs after the 15% discount and including 7% sales tax ? (assume tax is applied after the discount is applied)

a.$561
b.611
c.569
$654

Stu and ambrose are working together on a study of whether diet is related to students' mental health. first, they randomly select 10 students from the student center and 10 students from the office of counseling and psychological services. then, they ask students to rate their diet in terms of healthiness on a scale of 1-100 before completing a 20-item mental health survey. a) name one of the constructs being studied b) how was the construct you named above operationally defined in this experiment? e) was the variable you described above their independent variable, their dependent variable, or a controlled variable? d) what is a confounding variable? what is a potential confound in this study?

This stem-and-leaf plot represents the heights of the students on ralph’s basketball team. one student’s height is missing from the plot. if the mean height of all the students on the team is 61 inches, what is the missing height? a. 55 in. b. 59 in. c. 61 in. d. 65 in.

What is the greatest number that will go into 75 and 96