Geoffrey needs to find the circumference of a circle. Which process should he use?
O He should multiply the diameter times 2 and then multiply the result by 3.14
He should multiply the radius times 2 and then multiply the result by 3.14
He should square the diameter and then multiply the result by 3.14
O He should square the radius and then multiply the result by 3.14

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?