The candy store is having a 30 percent off sale. emma is going to buy 7 dollars and 50 cents worth of candy. how much will she pay after the discount?

An episode of a television show is 60 minutes long when it originally airs with commercials. on a dvd without commercials, the episode is only 417 minutes long. how many1-minute commercials did the episode include when it originally aired? write and solve an equation to justify your answer.

X^2/100+y^2/25=1 the y-intercepts are at: a) (-10,0) and (10,0) b) (0,10) and (0,5) c) (0,-5) and (0,5)

Solve the system of equations. x=-2y+1 and x+2y=9. show work