Trevors frying pan has an diameter of 14.5 inches what is the circumference of his frying pan use 3.14 A 7.25 inches

B 22.77 inches

C 45.53 inches

D 91.06 inches

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

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.

Y+ 2/y is it a polynomial in one variable or not? and if so, why?