Given ABC, what is the value of x? I have no idea how to do this help

Find the amplitude of a sinusoidal function that models this temperature variation

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25

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.