CAN SOMEONE HELP ME I NEED IT NOWW PLS THE QUESTIONS ARE: 1) what is the exact length of the line segment

2) find the decimal approximation of the length

PLSSS I NEED HELP

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 measure of angle x? answer

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)