C(n) = -7 +6(n-1) find the 4th term in the sequence

Axel follows these steps to divide 40 by 9: start with 40. 1. divide by 9 and write down the remainder. 2. write a zero after the remainder. 3. repeat steps 1 and 2 until you have a remainder of zero. examine his work, and then complete the statements below.

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.

If the value of cos330°is√3/2 then find cos 165°.