Distance between-11 and -3 on a number line

Is each relation a function? if so, state whether it is one-to-one or many-to-one. 3. (-4,7), (-3,5), (1,4), (3,-8), (5,-11) 4. (-4,8), (-2,4), (0,1), (2,4), (4,8) 5. (-2, 1), (-2,3), (0,-3), (1,4), (3,1)

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Find the values of the variables and the lengths of the sides of this kite.