Lonnie is drinking a bottle of water. He drinks 1/3 liter of water throughout the day. If this amount was 4/5 of the water in the bottle, how much water was originally in the water bottle?

Can anyone me with 32,33,36,37,and 40.

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?

Factor these polynomials and explain how 1. 12x - 3x^2 2. 20 - 240x^2