Determine if the points are solution points to the inequalities below. If the point is a solution, enter yes.
If the point is not a solution, enter no. Enter yes or no in lower case letters (no capital letters).
a. Is (3, 9) a solution to y < 16 - x?
b. Is (4, 16) a solution to y ≤ 19 - x?
c. Is (5, 8) a solution to y > 13 - x?
d. Is (6, 4) a solution to y ≥ 11 - x?