Solve for r.
d=rt
a. r=dt
b. r=t/d
c. d/t
d. r= d-t

Can someone answer this question? : )

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)

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2