Agardener has a rose garden that measures 30 feet by 20 feet. he wants to put a uniform border of pine bark around the outside of the garden. let x be the width of the border in feet. write an expression for the total area of the border in terms of the width x.

Blank × 10-3 is 2,000 times greater than 1.9 × 10-6. it is also blank times greater than 9.5 × 10-4.

If f(x) = 6x – 4, what is f(x) when x = 8? a2 b16 c44 d52

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?