Search it in google and you'll see the full answers of the questions. Like just type that number 10 on google.
As the x value increases by 1 the y value increases by 6. The x value skips from 4 to 25 whihc means it increased by 21.The y value 21 * 6 + 11 or 137 when x is 25
The answer should be option C.
7 < n, what you do is take the number figure out whether or not its bigger or smaller, add in the sign, and put your n or variable (: