Question 1: 6 3/4 so option b
Given that <span>Martin's unpaid credit card balance was $1539.39 and his APR is 13.2%.
APR is the annual interest rate, to get the monthly interest rate, we divide the APR by 12.
Thus, monthly interest rate is </span>

The interest charge for the month is given by

, where P is the previous balance, i is the monthly interest rate.
Thus, interest charge is

The balance after the monthly interest charge = $1,539.39 + $16.93 = $1,556.32
Therefore, the balance after the new transaction is given by $1,556.32 + $178 = $1734.32
The side lengths could be 4 in. x 16 in. because that equals 64 inches^2. It could also be 8 in. x 8 in. because that also equals 64 inches^2.
It’s actually true!
^ ^ ^ ^
<—|——|——|——|——|—>
-2 -1 0 1 2
The 4 arrows above the number line represents the distance between 2 and -2 which is 4!