Find the missing geometric means in this sequence

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10

3c2 + 2d)(–5c2 + d) select all of the partial products for the multiplication problem above.

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.