The following questions are super easy - no need to solve all: just choose one!

write as a product:
40a) (2x+y)^2-(b+c)^2

40b) (a+b)^2–(b+c)^2

Afarm is to be built in the shape of quadrilateral abcd, as shown below. all four sides are equal. a rhombus abcd is shown with diagonal ac equal to 15.5 feet and diagonal bd equal to 13.2 feet. what is the area of the farm? pleas only pick from the 4 below 62 square feet 52.8 square feet 57.4 square feet 102.3 square feet