Using the figure below what additional piece of information must be given to prove triangles ABC and ADC congruent by HL?

Can (2,3 and square root 10) be sides ona right triangle?

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.

If f(x)=x+7 and g(x)=1/x what is (fog)(x)