Sara tried to evaluate 21 : 7 x 8 step-by-step
21 : 7 x 8
= 3x8
step 1
= 24
step 2
find sara's mistake.

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?

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.

Anew movie is released each year for 14 years to go along with a popular book series. each movie is 2 minutes longer than the last to go along with a plot twist. the first movie is 70 minutes long. use an arithmetic series formula to determine the total length of all 14 movies