Match the quadratic f(x)=(x-3)?+9 to the correct minimum value

A-3
B 3
C -9
D 9

The circumference of a circle is 5 pi cm. what is the area of the circle?

Which statement most accurately describe why the division property of exponents does not apply to the expression (-8)^2/(-3)^4

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.