Which of the following is the equation of a direct variation that has a constant of variation equal to -1/2?

A. y= x- 1/2
B. -1/2 y=x
C. y= -2x
D. y= -1/2x

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x,y) ?

Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?

If i have 20$ and i gave 5$ away how much i got