Twice last month Judy Carter rented a car from a car rental company and traveled around the Southwest on business. The company rents its car for a daily fee, plus an additional charge per mile driven. Judy recalls that her first trip lasted 4 days, she drove 450
miles, and the rental cost her $215.50. On her second business trip she drove 200 miles in 3 days, and paid $141.00 for the rental.
Find the daily fee, and find the mileage charge.
Daily fee is $and the mileage charge is $

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Need plz been trying to do it for a long time and still haven’t succeeded

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?