Answer:
b = 27 degrees
Step-by-step explanation:
90 - 63 = 27
a = 5
Infinitely Many Solutions.
x+2y=0
6y=-3x
y=-3/6x
y=-1/2x
x+2(-1/2x)=0
x-2/2x=0
x-x=0
0=0
infinitely many solutions