Explain why all linear angle pairs must be supplementary

The height of a triangle is 4 in. greater than twice its base. the area of the triangle is no more than 168 in.^2. which inequalitycan be used to find the possible lengths, x, of the base of the triangle?

Which measure is equivalent to 110 ml? 0.0110 l 0.110 l 1.10 l 11,000 l

Heather is riding a quadratic function that represents a parabola that touches but does not cross the x-axis at x=-6