Which transformations of ƒ(x) = 3x does h(x) = -3x - 7 represent?
reflection over the y-axis and shifted 7 units down
reflection over the x-axis and shifted 7 units down
reflection over the y-axis and shifted 7 units up
reflection over the x-axis and dilation by a factor of 3

What is the smallest integer n such that n\sqrt{2} is greater than 20

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

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.