Solve and graph the solution of -9+a/15> 1

Georgia bought a packge of of 14 dollies to use in her valentines. she used 5/7 of the package to make her in valentines. how many dollies did she have left

There were 816 people at a concert when a band started to play. after each song, only half 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.

Which expression gives the area of the triangle shown below