Which operations are the most efficient to use to solve the problem and what is the solution?
the community center just built an outdoor lap pool. the new outdoor pool has an area of 432 square feet and a length of 24 feet. the width of the new outdoor pool is 2 feet longer than the width of the center’s indoor pool. what is the width of the community center’s indoor pool?
choose exactly two answers that are correct.
a.
multiplication and subtraction
b.
division and subtraction
c.
16 ft
d.
1,726 ft

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?