How to solve 167<6+7(2-7r)

What is the slope of the line shown below?

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)

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct