Which ordered pair in the form (x, y) is a solution of this equation? 3x-4y=21
A) (-2,-3)
B) (0,7)
C) (7,0)
D) (-3, -2)

Worth 15 points handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony? a= p = 1/4 b= p+0.25p c=(p + 1/4)p d=5/4p 0.25p choose 2 answers

Dawn is selling her mp3 player for 3 4 of the original price. the original price for the mp3 player was $40. how much is she selling her mp3 player for?

Find the arc length of the semicircle. 7the grade