The correct answer is: [A]: " 8 √3 " .
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Note:
√192 = √64 * √3 = 8 √3 ; which is: "Answer choice: [A] ."
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Answer:
B.
Step-by-step explanation:
The first number minus the 2nd number will close off the distance.
45 ÷ 3 = 15
21 ÷ 3 = 7
12 ÷ 3 = 4
(4 + 15) x 7 = 133
OR if you’re using bedmas/pedmas
4 + (15 x 7) = 109
They created ratios so people could get information.