PLEASE HELP: ABCD is a parallelogram. If m DAB=105, then what is m BCD

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

Will mark determine whether the conjecture is true or false. give a counterexample for any false conjecture. given: points r, s, and t conjecture: r, s, and t are coplanar. a) false; the points do not have to be in a straight line. b) true c) false; the points to not have to form right angles. d) false; one point may not be between the other two.

An engineer scale model shows a building that is 3 inches tall. if the scale is 1 inch = 600 feet, how tall is the actual building?