Answer:
45
Step-by-step explanation:

ssubstitute a and b for any of the numbers (3 or 6) and get 36+9 which is 45
45 =

so you would need to find the square root to get c
4.741
4.742
Really, you could stick any digit from 1-9 at the end of 4.74 to create your answer.
Answer:
-3/7, 1/4, 1/2
Step-by-step explanation:
The larger the denominator the smaller the fraction.