Which of the following shows the union of the sets?

{4, 8, 12, 16, 20, 24, 28} {2, 4, 6, 8, 10, 12}
{4, 8, 12}
{4, 8, 12, 16}
{6, 8, 10, 12}
{2, 4, 6, 8, 10, 12, 16, 20, 24, 28}

Heather is writing a quadratic function that represents a parabola that touches but does not cross the x-axis at x = -6. which function could heather be writing? fx) = x2 + 36x + 12 = x2 - 36x - 12 f(x) = -x + 12x + 36 f(x) = -x? - 12x - 36

Given that y varies directly to the square root of (x + 1), and that y = 1 when x = 8,(a)express y in terms of .x,(b)find the value of y when x = 3,(c)find the value of x when y = 5.

Which additional information, if true, would to prove that δlmp ≅ δnmp by hl? check all that apply.