Factorize \( a^2 − b^2 − 4a + 4 \)
If s = \(\sqrt{(\frac{a^2}{x^2} - \frac{b^2}{y^2})}\)what does y equal?
Mr Aborowa bought a car for N200,000.00 and later sold it for N170,000.00. What is the percentage loss?
