The total cost for carpet (y) is proportional to the number of square feet (x) purchased. The cost per square foot is $9. Which equation could represent the total cost for 225 square feet of carpet?

A)
y =
(225)
$9

B)
y =
$9
225

C)
y = $9(225)
Eliminate

D)
y =
1
9
(225)

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer

[10 points, algebra 2-simplifying complex fractions]according to my answer key the restrictions are -1 and 4. but why not positive 1?