SOMEONE PLEASE HELP WILL GIVE BRAINLIEST

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

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?

What is the area of a triangle with a base of 7x and height of 8x expressed as a monomial? question 5 options: 1x 15x2 28x2 56x2