I need some one to talk to but you have to be 15-17 and don't just say I'm not 15-17 and say something stup id plz

John bought 5 lemons and used 2 of them for a salad how much did he use for. a salad . he used % of the lemons.

Consider the function y = f(x)=3^x the values of f(1/2) and f(1/4). rounded to the nearest hundredth, are__and__ respectively

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.