Marcie wants to enclose her yard with a fence. her yard is in the shape of a rectangle attached to a triangle. the formula for the area of the enclosed space is a = lw + 0.5bh. given the formula, find the value of b. a. b = a divided by the quantity l times w plus 0.5 times h b. b = the quantity a minus l times w all divided by 0.5 times h c. b = a – lw – 0.5h. d. b = a + lw + 0.5h