Emily is 68 years old. Colin is 17 years older than Emily. Dan is 16 years younger than Emily. What is the total of their combined ages?

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 segments are congruent? o jn and ln o jn and nm o in and nk onk and nm

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.