In a playground, there are 47 wheels moving around with 19 students riding bicycles and tricycles. How many bicycles and tricycles are in motion?

Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)

The volume of the sun is approximately 1 × 10^18 cu km, while the volume of jupiter is approximately 1 × 10^15 cu km. which of the following is true? a. the volume of jupiter is approximately one thousand times the volume of the sun. b. the volume of jupiter is approximately one hundred times the volume of the sun. c. the volume of the sun is approximately one thousand times the volume of jupiter. d. the volume of the sun is approximately one hundred times the volume of jupiter.

Let x = a + bi and y = c + di and z = f + gi. which statements are true?