If y2-25
Correct answer D. y ? 5
Tip: press A, B, C or D to answer, and N for the next question.
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See allIf x2 -16
Correct answer E. ?4 < x < 4
If 1? -m then (12-m2)/(1+m) = 23 then 1-m =?
Correct answer C. 23
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(a10-c2)2 – (a10+c2)2 =?
Correct answer D. ?4a10c2
(x+4)(x-5) = 10 then x is?
Correct answer C. both
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