Answer:

Step-by-step explanation:

















Answer:
suggestions use algebra calculator or mathaway
Answer:
System A the answer is: One solution
System B the answer is: Many infinite solution
System C the answer is: No solution
Step-by-step explanation:
Hope this helps you :)
Answer: 11, 7
11 + 7 = 18
11 x 7 = 77
Answer:
Step-by-step explanation:
180-143=37
NPI=180-37
NPI=143°