A. 148%
To find percent you just have to multiply your decimal by one hundred, which in this case moves the decimal to the very back and makes 1.48 = 148%
step-by-step explanation:
x^2 -12x + 36 + y^2 = 36
x^2 + y^2 = 12x
r^2 = 12rcos(theta)
r = 12 cos(theta)