The table shows the number y of muffins baked in x pans. What is the missing y-value that makes the table represent a linear function?

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Math each whole number with a rational,exponential expression

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?