6. Why is the x-coordinate of the vertex
of a parabola the mean of the zeros of
the function?

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

Acabinmaker buys 3.5 liters of oat varnish the varnish cost $4.95 per liter what is the total cost of 3.5 liters

Someone answer asap for ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?