Answer:
X could be 2, 3, 4, 5, 6, 7, 8, or 9.
So, your final answer could be either 52, 53, 54, 55, 56, 57, 58, or 59.
Answer:
0.8
Step-by-step explanation:
We begin with the expression: 
First, we need to convert the fractions into decimals to make this easier.
and 
Once we have this, we can simplify it

Answer:
He is 62.72 inches tall now
Step-by-step explanation:
the twelve over 100 is the percentage, he increased by 12 percent. and the x over 56 is the new value (x) over the old value. We get 6.72 so we add that to 56 to get 62.72.