Answer:
10
Step-by-step explanation:
If you add all them up you get the answer 10
(This is correct cause i got this answer right hope this helps!)
Answer:
x = 8
Step-by-step explanation:
so 
rearrange the formula:






Answer:
x = -6
Step-by-step explanation:
-10-x=-4 Add 10 to both sides...
-x=6 Divide both sides by -1...
x=-6
1 is 52 2 is 30 3 is 30 4 is 62 5 is 118
It increases the mean value of the prizes.