The radius of a parachute is shown below. What is the diameter of the parachute? What is the circumference of the parachute?

These tables represent a quadratic function with a vertex at (0, -1). what is the average rate of change for the interval from x = 9 to x = 10?

Which of the following scenarios demonstrates an exponential decay

In a small section of a stadium there are 40 spectators watching a game between the cook islands and fiji. they all support at least one of the two teams. 25 spectators support the cook islands and 16 of these support both teams. how many support only fiji?