Ian and Irma make and sell party hate. They make the cones from sectors of circles. Note that the arc of the sector is th3 the circumference of the base of the cone. Calculate:
a) the arc length of the sector
b) the angle of the sector​

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.

In the diagram, the ratios of two pairs of corresponding sides are equal to prove that almn - axyz by the sas similarity theorem, it also needs to be shown that x 6 z un z zz un = 2x zləzz lezy

Can someone show me step by step how to do this?