Sunnyville's population is 14,000, and it is increasing by 160 people every year. Beachville's population is 24,000 and it is decreasing by 90 people every year. In how many years, y, will the population of Sunnyville exceed the population of Beachville? 14,000+160y=24,000−90y 14,000+160y=24,000−90y 14,000+160y 24,000−90y 14,000+160y>24,000−90y

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?