Missy bought 4 umbrellas and 7 hats $46.00. each umbrella cost the same amount. each has costs the same amount. the price of an umbrella cost $8.00. what is the cost of one hat?

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.

A50% increase followed by 33 1/2% decrease

What is the period of the sinusoidal function ?