Anne practiced piano for x hours. steve practiced piano three more hours than anne. kate practiced piano five times as long as steve. which expression represents the total time they practiced piano? a x + 3 + 5x b x + 5(x + 3) c x + x + 3 + 5x d x + x + 3 + 5(x + 3)

The equatorial radius of earth is approximately 6 × 10^3 km, while the equatorial radius of saturn is approximately 6 × 10^4 km. which of the following is true? a. the equatorial radius of saturn is approximately one hundred times that of earth. b. the equatorial radius of saturn is approximately ten times that of earth. c. the equatorial radius of earth is approximately one hundred times that of saturn. d. the equatorial radius of earth is approximately ten times that of saturn.