Which expression is modeled by this arrangement of tiles? 30 positive tiles are divided into 3 sets of 10 positive tiles. 30 divided by (negative 30) 30 divided by (negative 3) 30 divided by 3 30 divided by 30

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?