Answer:
z= 30
Step-by-step explanation:
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Answer:

Step-by-step explanation:
First, you add 66 to both sides so then the equation you are trying to solve will be: 
Finally, you simplify and get: 
Hope this helped!
I think the answer might be C i hope this helps you
Answer:
x = 1.87
Step-by-step explanation:
2x^2 - 5 + 1 = 3
2x^2 = 3 + 5 - 1
2x^2 = 7
x^2 = 7/2
x = √3.5
x = 1.87082.....
x = 1.87 ( 3 significant figures )
Answer:
3 c ock
Step-by-step explanation:
Reason being of you add 1 c ock and 2 c ock you get 3 c ock