On Tuesday, Ricardo ran y miles. The expression below represents the distance, in miles, that Ricardo ran on
Wednesday: 4y

Which best represents the distance that Ricardo ran on
Wednesday?

A. Ricardo ran 4 less miles than on Tuesday

B. Ricardo ran 4 more miles than on Tuesday

C. Ricardo ran 4 times farther than on Tuesday

D. Ricardo ran slower on Tuesday than Wednesday

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?

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?

Willard f. libby received his undergraduate degree from . after he completed his graduate work, he became a professor at . in 1960, he won a nobel prize in .