Which of the following functions represents a direct variation?
a. y = x2
b. y = -8x
c. y = -2/x
d. y = x3

Katlyn made 4 dresses with 7 yards of fabric. how many yards did she use on 1 dress?

How many grams the dog will eat in 3 days?

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.