Do it with a pen n paper guys an take the pic an send it to me

What is the base of 1/9 to the power of 2

43lbs of tomatos cost $387. how much would 41lbs cost

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)