What is the surface area of a cylindrical ring where the diameter of the cross section is 6.3 in and the center line has a length of 48 in? a. 529.86 in2 b. 256.22 in2 c. 950.02 in2 d. 849.73 in2

Acolony contains 1500 bacteria. the population increases at a rate of 115% each hour. if x represents the number of hours elapsed, which function represents the scenario? f(x) = 1500(1.15)" f(x) = 1500(115) f(x) = 1500(2.15) f(x) = 1500(215)