Need answer ASAP You buy a TV for $256 and a DVD player for $46. If the sales tax rate is 6.5% how much is the sales tax on this purchase to the nearest penny?

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

Polynomial that can be factored as (3x-4)(3x+4)

How can i differentiate this equation?