P= a+b+c = 76
side a = 2b = 30
side b = b = 15
side c = 2b + 1 = 31
(-1.5,2.5) is the point where A is on the coordinate plane.
This is the commutative property because you have 3*x*2*y and you turn the x and the 2 around. The commutative property states that a * b = b * a and therefore x*2 = 2*x.
