Answer:
20
Step-by-step explanation:
We can set up a percentage proportion to find the value of x.

Now we cross multiply:

Hope this helped!
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
Answer: The second period class has the greater first quartile.
106, it can be divided but it is not an even number. it has a decimal. the answer to 106/4 is 26.5:) hope this helped1