Which of the following inequalities best represents the graph above? a > 9
a < 9
a ≤ 9
a ≥ 9

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.

Afactory adds 3 red drops and 2 blue drops of coloring to white paint to make each pint of purple paint. the factory will make 50 gallons of the purple paint. how many drops of red and blue coloring will the factory need in the 50 gallon batch of purple paint.

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi