Answer:
13.5
Step-by-step explanation:
12/4=3
9/3=3
4.5x3=13.5
The answer is
a) 11/15
b) 1/18
DA is 4 inches, hope this helps
I’m pretty sure the answer is B because
8X- 4Y = -16 and it shows that in the equation of number B and if I’m wrong please correct me