Sue set up a lemonade stand and sold 10 glasses of lemonade in the first hour. her sales increased at the rate of 20% per hour for the next n hours. which function represents the total number of glasses she sold in the nth hour? if the price of 1 glass of lemonade is $0.50, how much money did she earn in the nth hour? the function that gives the total number of glasses sold in the nth hour is , and the money she earned in the nth hour is . nextreset

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?