Aright triangle with one angle that is 50*

What’s the answer ? use the picture to see the problem

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?

Siri can type 90 words in 40 minutes about how many words would you expect her to type in 10 minutes at this rate