Question

Help me with this please !!!! I will give you 50 POINTS!!!!!!!!!!!!!!!!!!!!
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Answer 1

Answer:

Sysem A has 2 real solutions (both the positive and negative form of a number can be squared to get a positive square)

System B has 0 real solutions (you can't square root a negative number and get a real number)

System C has 2 real solutions (same explanation as System A)