X + 2y = 7
2x + 3y = 12

What numbers are included in the set of integers? what numbers are not included?

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?

Mr.walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?