What is the missing term (10-+? ) =3x-6x^2

Complete the statements about the system of linear equation respresented by the tables the equation respented the left table is

Asphere has a diameter of 10 in. what is the volume of the sphere?

If (x + 8) is a factor of f(x), which of the following must be true? both x = –8 and x = 8 are roots of f(x). neither x = –8 nor x = 8 is a root of f(x). f(–8) = 0 f(8) = 0