PreCal class on 4/17/25

The following homework is due 4/24/25:

L113:         6, 7, 8, 9, 10, 17, 19, 21, 25
L114:         5, 6, 7, 8, 9, 10, 11, 12, 13, 28
L115:         6, 7, 8, 9, 10, 16, 17, 19, 21, 22
L116:         8, 9, 12, 13, 14, 19, 20, 25, 27, 28