PreCal class on 4/10/25

The following homework is due 4/17/25:

L109:        5, 6, 7, 8, 9, 10, 11, 12, 17, 20
L110:         5, 7, 14, 15, 22, 23, 28, 29, 30
L111:         3, 6, 7, 8, 13, 14, 16, 22, 23, 24
L112:         2, 5, 6, 7, 13, 17, 26, 27, 28, 29