Pls help i need it ooo

Tomas is making trail mix using granola and walnuts. he can spend a total of $12 on the ingredients. he buys 3 pounds of granola that costs $2.00 per pound. the walnuts cost $6 per pound. he uses the equation to represent the total cost, where x represents the number of pounds of granola and y represents the number of pounds of walnuts. he solves the equation for y, the number of pounds of walnuts he can buy. answer- b tomas added 6 to both sides of the equation instead of subtracting 6. just took the test

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?