The sum of two consecutive integers is no more than 209.
What is the larger of the two integers?

What expression is equivalent to 42x-56y

2.5 milligrams is equivalent to how many grams

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?