108/12 = 9 so when y = 108 x = 9×2 which = 18 so when y =108 x = 18
Supplementary angles add up to 180 degrees, so look for two angles by each other that add up to 180 degrees.
Hope this Helps!
A is 0.025 from what i worked out, I hope it is correct :)
Answer:
D. 75(5r+3d+4f) and 75(5r)+75(3d)+75(4f)
