Answer:
see the explanation
Step-by-step explanation:
Remember that
A proportion is the ratio (quotient) between two numbers
so
Twelve hundredths to three is ----> 
Twenty-four hundredths to eight ----> 
therefore
Twelve hundredths is to three as twenty-four hundredths is to eight

Note The proportion is not true
I believe that -3 is less than 3x-6 because if you look at their graph -3’s graph is below 3x-6 graph
Answer:
1 and 1/8
Use common denominators:
5/8 - 4/8
so the answer is the 4th one
Answer:
When dividing rational numbers, multiply by the "right" reciprocal. In this case, the "right" reciprocal means to take the reciprocal of the fraction on the right-hand side of the division operator.