Which is a quadratic equation? A y = x +9
B y = 2x – 15
C y = x2 + 2x - 7
D y = x3 – x?

What is the product? a-3/15a × 5/a-3

Jim had 15 minutes to do 5 laps around his school what would his time be

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.