Calculate the interior angle of a 5 - sided regular polygon
A banker spent \(\frac{1}{5}\) of his salary on shirts, \(\frac{1}{3}\) of the remainder on transport, and kept the rest for contingencies. What fraction was left
Find the probability of getting an even number in a single throw of a six-sided die.
Integrate y = 4x\(^3\) + 2x + cos x.
