Need help with this 4(3 +|2-6|+ 5)

What is f(3) for the quadratic function f(x)= 2x^2+ + x - 12

If the endpoints of the diameter of a circle are (8, 6) and (2,0), what is the standard form equation of the circle? a) (x + 5)2 + (y + 3)2 = 18 (x + 5)2 + (y + 3)2 = 3.72 (x - 5)2 + (y - 3)2 = 18 d) (x - 5)2 + (y - 3)2 = 32

Use the distributive property -7(-2x+u-2)