Which of the following is the inequality −18x + 2y ≥ −13 written in slope-intercept form? Select one:
A. y ≥ - 6.5x - 9
B. y ≥ 7x - 10
C. y ≥ 9x − 6.5
D. y ≥ 10x - 7

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?