What is the distance between the points (-5,-5) and (-4,-1). Round to at least the nearest hundreth

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points

If the angle bisectors of a pair of opposite angles of a quadrilateral are the opposite sides of a parallelogram formed by the two angle bisectors and two sides of the quadrilateral, is the quadrilateral always a parallelogram? explain your answer.