With the help of the diagram, derive sin (A - B)=
sin A cos B -cos A sin B.

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet

Which part of a 2-column proof is the hypothesis of the conjecture? a) given b) reasons c) prove d) statements ! i think it's b but i'm not quite

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12