There are 320 rods in a mile find the length of a rod in feet

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?

The volume of a box varies directly with its length if a box in the group has a length of 30inches and k=24 what is its volume

How can i differentiate this equation?