Answer:
K=-13/3
Step-by-step explanation:
15s-100=350
the last one
IDK if you need this s=30
62
50,50,54,56,60,62,63,64,79,72,72,
median ids the number at the center
50,50,54,56,60(62)63,64,79,72,72
6250 pounds =3.125 us tons