Each week, a cook purchases 12 pounds of butter. during the last year, the cook has paid as little as $23.04 and as much as $29.40 for the butter purchased in a week. what is the difference between the greatest price per pound and the least price per pound of butter the cook has paid during the last year?

1c) the number 131 is a term in the sequence defined by the explicit rule f(n)=5n-4. which term in the sequence is 131? 2a) write the first four terms of the function f(n)=n^2-1 2b) what is the 10th term of the sequence defined by the explicit rule f(n)=n^2-1 2c) the number 224 is a term in the sequence defined by the explicit rule f(n)=n^2-1. which term in the sequence is 224?