a man stands a distance away from a 45 foot tower. the angle of depression from the top of the tower to the man is 40 degrees. how far away is the man from the tower?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

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.