Explain how using equivalent ratios is like adding fractions with unlike denominators

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

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)

Find the domain and range of the following function f(x) = 51x - 21+ 4