A package of 19 medicated cough drops costs $0.99. What is the unit cost?

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?

Write as a product of two polynomials. 2(3–b)+5(b–3)^2

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.