(9. A scale factor of 2 is used to find the dilation of a quadrilateral. What is the
sum of the angles in the original quadrilateral? What is the sum of the
angles after the dilation? What is the difference between the perimeter of
the original figure and the perimeter of the image?

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.

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?