PLEA HELP M!! Dan's car depreciates at a rate of 13% per year.
By what percentage has Dan's car depreciated after 4 years?
Give your answer to the nearest percent.

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

1. during first 10 seconds 2. between 10 seconds and 35 seconds 3. during 35 seconds to 40 seconds

Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?