Evaluate \(\int^{2}_{0}(x^3 + x^2)\)dx.

In how many ways can a committee of 2 women and 3 men be chosen from 6 men and 5 women?

If three unbiased coins are tossed, find the probability that they are all heads

Find the standard deviation of 2, 3, 5 and 6

W is directly proportional to U. If W = 5 when U = 3, find U when W = \(\frac{2}{7}\)