Simplify the following expression:
2x − 4y + 3x2 + 7y − 16x.

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.

The radius of the circle below intersects the unit circle at (3/5,4/5). what is the approximate value of theta? 0.6 radians 1.0 radians 36.9 degrees 53.1 degrees

Nikita wants to apply for student aid to fund her college education. arrange the steps involved in nikita’s application for financial aid