F(x) = ax 2 + bx + c has a positive leading coefficient and the vertex that has a y-coordinate of zero. determine the number of real zeros of the function.

Which is an equation for the nth terms of the sequence 12,15,18,21

The width of a rectangle is 20 units. can the perimeter p of the rectangle be 64 units when its length x is 11 units? no, because p = 2x + 2(20) no, because p ≠ 2x + 2(20) yes, because p ≠ 2x + 2(20) yes, because p = 2x + 2(20)

Which polygon is she in the process of constructing ?