blakk75431 blakk75431 22-05-2023 Mathematics contestada RedStone Mines stock returned 7.5, 15.3, -9.2, and 11.5 percent over the past four years, respectively. What is the geometric average return? a. 7.75 % b. 9.94 % c. 10.33 % d. 5.84% e. 6.36 %