Find the missing angle measurement for each triangle. (Round to the nearest whole degree)

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?

Stephen thublin invests $1,000,000 in a 45-day certificate of deposit with 6.55% interest. what is the total interest income from the investment?

What is the angle measure, or angle of depression, between this bird and the bird watcher?