Answer:
C. The mean is the best measure of central tendency for the math class.
Step-by-step explanation:
We can use the distributive property to distribute the subtraction sign:
When we subtract a negative it is the same as adding a positive:
Gather the like terms:
Rearrange the polynomial in order of powers to x, greatest to least:
Answer:
-20
Step-by-step explanation:
If we get -5 points for each question you answer incorrectly, and we answer 4 questions incorrectly, than we can simply multiply -5 by 4 to get -20.