(8/Z)+(6/Z) x (40/Z) =? If Z=2
Correct answer E. 64
Tip: press A, B, C or D to answer, and N for the next question.
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See all4×2 + 16x + 36 is equivalent to?
Correct answer D. 4 (x2+4x+9)
(7x-49) / (x-7) =
Correct answer C. 7
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If a = 3 b = -1 c = 2 which is true (I) a+b+c = 4 (II) 3a + 5b = 4 (III) 2c – 5a = 6
Correct answer D. I and II
7n2 – 7n + 5 – (3n + 7n2) =
Correct answer C. ?10n + 5
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