Ghost Lake is a popular site, and a water plant has been growing at an alarming rate. The surface area of Ghost Lake is 25,000,000 square feet. The equation is 2^x*1000. How long will it take for the plant to completely cover the entire lake? I don't know how to figure out how long it will take for an exponential equation to reach a specific point.

Abcd ≅ klmn ≅ pqrs ≅ wxyz given that information, which figures are reflections of abcd?

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

The tuition costs, c, for a local community college are modeled by c(h) = 250 + 200h, where h represents the number of credit hours taken. the local state university has tuition costs, s, modeled by the function s(h) = 300 + 180h. how many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.