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Solve 4r2 – 9 = 91. A:{±3} B:{±4} C:{±5} D:{±6}
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5 votes
Solve 4r2 – 9 = 91.
A:{±3}
B:{±4}
C:{±5}
D:{±6}

User Shababb Karim
by
7.3k points

1 Answer

6 votes

Answer:

b

Explanation:

subtratc , find the value of R .

User Seattle Leonard
by
6.7k points
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