Answer:
-5
explanation:
what
Answer:
-y^(2)+x+y
Step-by-step explanation:
A sample of n=8 scores has a mean of m=12. What is the value of ∑x for this sample
Answer: We are given the mean of 8 scores is 12.
We are required to find the sum of these 8 observation's, 
We know that:

We are given:




Hence, sum of 8 observation's, 
Anwser: 4x^5-3x^4-4x^3+8x^2-5
Step-by-step explanation:
yes
Answer:
24
Step-by-step explanation:
6+6 =12
12+6 = 18
18+6 = 24