In how many ways can a delegation of 3 be chosen from among 5 men and 3 women, if at least one man and at least one woman must be included?

A function f(x) passes through the origin and its first derivative is 3x + 2. What is f(x)?

The expression ax² + bx + c equals 5 at x = 1. If its derivative is 2x + 1, what are the values of a, b, c respectively?

Evaluate 5^-3log₅2 x 2^2log₂3

In the diagram above, if ∠RPS = 50^o, ∠RPQ = 30^o and PQ = QR, find the value of ∠PRS.