Louis must ride a mechanical lift to place 20 boxes on a high store shelf.
. louis weighs 140 pounds.
. there are x boxes that weigh 10 kilograms each and 20-x boxes that weigh 30 kilograms each.
. a kilogram is 2.2 pounds.

which expression shows the total weight, in pounds, that will be on the lift?

a.) 1,320 - 44x
b.) 1,460 - 44x
c.) 272 - 9.1x
d.) 412 - 9.1x

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)

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?

Aline passes through the points (5,4) and (2.1). part a.) what is the slope of the line that passes through these points? show work. part b.) what is the equation of the line that passes through these points. show work. part c.) where does the line intercept on the x& y axis? show work