9-1 Online Lesson Quiz 2021 9-1 Similar Polygons
For two similar triangles ABC and DEF, the scale factor of AABC to ADEF is 2:3. If AB = 2(BC) and DE = 3(BC), what is EF?

A. 6BC
B 2BC
C 3BC
D 1.5BC

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

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.

Which shows the graph of the solution set of 3y – 2x > –18?