Think first is Distributive Property
Combine any LIKE TERMS
Isolate the VARIABLE
By using INVERSE
Check your ANSWER
I think these are the answers hope it helps!
Hey!!
Here is the answer to your question
1- B
2-A
Answer:

Step-by-step explanation:


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★ . ꜝꜞ ᳝ ࣪ hope that helped! ʬʬ
A² + b² = c²
20² + n² = (n+2)²
400+ n² = (n+2)(n+2)
400 + n²=n² + 2n + 2n +4
400 + n² = n² +4n +4
400 + n²-n² = n²-n² + 4n+4
400 = 4n + 4
400-4 = 4n +4-4
396 = 4n
396/4 = 4n/4
n= 99
20²+ 99² = (99+2)²
400 + 9801 =10201
10201=10201
Answer:
12
Step-by-step explanation:
3 x 12= 36
36-9= 27