The range of the following relation R {(3, −2), (1, 2), (−1, −4), (−1, 2)} is a
{−1, 1, 3}

b
{−1, −1, 1, 3}

c
{−4, −2, 2, 2}

d
{−4, −2, 2}

A80-foot piece of siding is cut into three pieces so that the second piece is four times four times as long as the first piece and the third piece is five times as long as the first piece. if x represents the length of the first piece, find the lengths of all three pieces.

What is the result of the following division?

In a small section of a stadium there are 40 spectators watching a game between the cook islands and fiji. they all support at least one of the two teams. 25 spectators support the cook islands and 16 of these support both teams. how many support only fiji?