step-by-step explanation:
x^2 -12x + 36 + y^2 = 36
x^2 + y^2 = 12x
r^2 = 12rcos(theta)
r = 12 cos(theta)
she was supposed to add the hours(38.5) and multiply the amount of money she earned(7.50) resulting in $288.75 .
correct me if i'm wrong and if it is i'm truly sorry.
2
you can use a^2+ b^2=c^2