C. 1/5 is the fraction of employees that work part time.
Answer:
arcsin0.616
Step-by-step explanation:
arcsino.616
Answer:
b=-a
Step-by-step explanation:
we know that b is located the same distance from 0 as another number, a, but in the opposite direction.
so the sum of the two numbers equal zero
a+b=0
a=-b or b=-a
