There were 816 people at a concert when a band started playing. after each song, only half of the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250

Can someone explain to me how to do

Ana earns 2.5% simple interest on $2,000 in her savings account. she does not make any deposits or withdrawals. after 3 years, how much interest will ana have earned on her savings account?