Simplify (3//9).
a. 1/6
b. -1/6
c. 77/90

Multiply numerador with numerator and denominator with denominator and you will get -15/90 now divide each by 3 and you get -5/30 and now divide them by 5 and you get -1/6 so the answer is b

the image of (6, 9) under a dilation is (4, 6). the scale factor is

b. 2/3