Find the least common multiple of 2,9, and 12.

Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25

Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.