Seudónimo Seudónimo 18-05-2021 Mathematics contestada The radius of a bicycle tire is 9 inches. Which of the following equations can be used to find the tire's circumference, C, in inches? Choose all that apply. C = 9 × pi C = 18 × pi C = 92 × pi C = 2 × 9 × pi C = 2 × 18 × pi