Answer: Set of all real numbers
The domain is the set of all real numbers because we can plug in any x value we want to get some y value. There is no worry about dividing by zero. We don't have to worry about taking the square root of a negative number. There are no restrictions for x.
My best guess is a 1/225 chance in guess the right combination
Answer: a^2+b^2=c^2
Step-by-step explanation: (18^2=14^2+c^2)=324=196+c^2
324-196=128 and the square root of 128 is 8 radical 2 or in decimal form 11.31
Answer:
5. ○ 
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1. ○ 
Step-by-step explanation:
5. 
4. 
3. 
2. 
1. 
I am joyous to assist you anytime.
1st problem:
A = 630 cm
2nd problem:
A = 104 cm
All I can see on the picture you provided.