What goes in the boxes,,, PLEASE HELPPP!

Simplify the following expression 48^1/2

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.

The triangle rst, rs = 65 and st = 60. which equation could be used to find the value of angle s?