Find the equation of the line passing through the points (4, 1) and (2,9)

Consider the set of all four-digit positive integers less than 2000 whose digits have a sum of 24. what is the median of this set of integers?

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42