First blank: 8
Second blank: 5
Third blank: 20
Fourth blank: 60
Answer:

Step-by-step explanation:
Given : 
Solution:



Thus , 
Thus the solution is irrational since square root 7 does not have a perfect square and equal to 6+2square root of 14
Answer:
8*8*8= <em><u>8^3= 512</u></em>
Step-by-step explanation:
+1,-1 and your other would be 1,1