Rachel paid $58 for a Blu-ray player that was on sale. She only paid 80% of the original cost. What was the original cost of the Blu-ray player?

What is the length of the unknown leg in the right triangle ?

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of california was approximately two times the population of florida. b. the population of florida was approximately twenty times the population of california. c. the population of florida was approximately two times the population of california. d. the population of california was approximately twenty times the population of florida.

What rule describes a dilation with a scale factor of 4 and the center of dilation at the origin?