Answer:
20 dollars
Step-by-step explanation:
I think 20+20+20=60 then 60-40=20
Answer:

Step-by-step explanation:
Given







Required
The weighted average
To do this, we simply multiply each score by the corresponding worth.
i.e.

So, we have:

Using a calculator, we have:

--- approximated
The answer is x= -5 ...explained... -2x + 5 -35x= 190...-37x +5 = 190 ... now subtract 190-5 = 185... divide 185 by - 37 and get -5
Answer:
A
Step-by-step explanation:
A is not a polynomial as the power of x is less than one
There are 151,200 possible combinations. If you'd like an explanation of my answer, please let me know.