Answer:
{ y = 3x + 3
{ 3x - y = 3
B
(Just did the assignment 3/23/21)
ok.....mmmm............
Angle B is a straight angel. Angels a and c are bot 45 degrees.
Step-by-step explanation:
12 sq. ft.
A=1/2bh
triangle 1: 1/2x2x4=4
triangle 2: 1/2x4x4=8
4+8=12