Let U = {1, 2, 3, 4}, P = {2, 3} and Q = {2, 4}. What is (P∩Q)'?
Simplify (3/4 + 1/3) x 4(1/3) ÷ 3(1/4)
If x varies over the set of real numbers, which of the following is illustrated in the diagram above?
A bricklayer measured the length of a wall and obtained 4.10m. If the actual length of the wall is 4.25m, find his percentage error.
