400
because you need to divide 36/0.09=400
By Pythagoras Theorem,
the length of the other leg= (12^2-9^2)^1/2
hope this helps
correct answer is "NONE" NOT $40. hOPE THIS HELPS!
Answer:

Step-by-step explanation:
ill suppose that you mean : "solve for b" not for d, since there is no d term in the formula given. So:

Answer: a coordinate grid