Find the sum of the range and the mode of the set of numbers 10, 9, 10, 9, 8, 7, 7, 10, 8, 10, 8, 4, 6, 9, 10, 9, 10, 9, 7, 10, 6, 5

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 ax\(^2\) + bx + c equals 5 at x = 1. If its derivative is 2x + 1, what are the values of a, b, and c, respectively?