Laura bought one share of Amazon's stock on Nov. 1, 2016 for $25 and sold it three years later for $50 How much money did she gain/lose with this stock?

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

You are cycling around europe with friends. a cycling festival is starting soon in barcelona. it will take 4.5 hours to cycle there. how many minutes in total is this?

Taking algebra two apex courses and need with these questions