Answer:
How to Find the Mean. The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.
Answer:
i don't know, you need to tell us what we need to do
Step-by-step explanation:
Answer:
B Step 2
Step-by-step explanation:
5(-3) should be -15, not positive 15
X= y(d-b) over a-c would be the answer
