Kaden invested $5,000 into a savings account. The interest was compounded annually at 2.5%. How much interest will Kaden earn in 30 months?

What are the values of each variable in the diagram below?

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?

How do i find the missing angle measure in a polygon