Need asap 20points the energy (and cost) needed to operate an air conditioner is proportional to the volume of a space that is being cooled it cost zap electronics about $125.00 per day to run an air conditioner in its small rectangular warehouse the company’s large warehouse a few blocks away is 2.5 times as long, wide, and high as the small warehouse estimate the daily cost of cooling the large warehouse with the same model of air conditioner round answer to the nearest dollar? show work to solve

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?