Angles 1 and 3, angles 2 and 4, angles 5 and 7, and angles 6 and 8. They are also congruent, because vertical angles are congruent.
Answer:
7 (g-8)
Step-by-step explanation:
this is your answer
3,100 mg is 3.1 grams as there a 1000 mg in a gram.
I think it’s A
Sorry if I’m wrong
4x - 3y + 20 = 0....4x - 3y = -21
4x - 3y = -21.....multiply by -2
5x - 6y = -25
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-8x + 6y = 42 (result of multiplying by -2)
5x - 6y = -25
---------------add
-3x = 17
x = -17/3
this system of equations has 1 solution