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, 
Answer:
60 pumpkins
Step-by-step explanation:
Saturday, she sold 6*7 pumpkins. That's 42 pumpkins.
Sunday, she sold 6*3 pumpkins. That's 18 pumpkins.
42+18=60
Answer: Marry Christmas!
Step-by-step explanation:
What you do is plug the numbers for each variable ur equation will look like 2(6)(-3)+4
lets solve it step by step 2(6)(-3)+4
12(-3)+4 then -36+4 and ur answer will be -32