Answer:
answer down below
Step-by-step explanation:
11.h=-5 12.k=7.8
13.y=-4 14.h=36
15.v=18 16.c=-32
17.k=8 18.x=-29
19.m=28 20.v=11
31/8
1 3/8=11/8
2 1/2=5/2
---------------
11/8+5/2
11/8+20/8