What is the answer to 4 times 1/2

Which function has the domain x> -11

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)

Acircle has a radius of 12.6cm what is the exact length of an arc formed by a central angle measuring 120