Kira measures the round temperature dial on a thermostat and calculates that it has a circumference of 13.188 centimeters. what is the dial's radius?

Pj is decorating pupcakes for rocky's birthday party. her color scheme is black, purple, and green. she will use this spinner to determine the color of sprinkles on each pupcake. which model shows the probability of randomly landing on each color?

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn.if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.