Musa borrows N10.00 at 2% per month simple interest and repays N8.00 after 4 months. How much does he still owe?
What is the product of \(\frac{27}{5^1}\)(3)-3 and \(\frac{(1)^{-1}}{5}\)?
Simplify \(\frac{1}{1 + \sqrt{5}}\) - \(\frac{1}{1 - \sqrt{5}}\)
