On heiki's trip, the ratio of distance traveled to time is 112 km to 3 h.

at this rate, how many kilometers will heiki travel in 9 h?

In triangle abc segment de is parallel to the side ac . (the endpoints of segment de lie on the sides ab and bc respectively). find de, if ac=20cm, ab=17cm, and bd=11.9cm;

Which statement best describes the polynomial

The ratio of wooden bats to metal bats in the baseball coach’s bag is 2 to 1. if there are 20 wooden bats, how many metal bats are in the bag?