Ricardo and john start swimming from the same location. ricardo starts 15 seconds before john and swims at a rate of 3 feet per second. john swims at a rate of 4 feet per second in the same direction as ricardo. which equation could you solve to find how long it would take john to catch up with ricardo?
a. 4t+3=3t
b. 4t+60=3t
c. 3t+3=4t
d. 3t+45=4t

If x = ∛200, which of the following inequalities is true? * 2 < x < 4 3 < x < 5 6 < x < 6.5 4.5 < x < 5.5 5 < x < 6

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.

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box