A cylindrical swimming pool has a circumference of 125 feet. The water in the pool is 5 feet deep. What is the volume of the pool? How many hourse will it take to fill the pool with water? Assume the water flow is 5 gallons per minute. 1 cubic foot = 7.48052 gallons.

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?