The way how to solve this without using calculater value of this

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?

Atemperature of 1.64◦f corresponds to answer in units of ◦c.

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)