If y varies directly as x and y = 3 when x = - 9, then find x when y = 5.
a. 15
b. 1/15
c. - 1 / 15
d. - 15

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Which graph has a rate of change of zero

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /