(9/a)+(21/a)x(36/a)=? If a = 3
Correct answer D. 87
Tip: press A, B, C or D to answer, and N for the next question.
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More Basic Algebra questions
See all(12a2 – 144a) / (a-12) =?
Correct answer A. 12a
If x = 5 y=4 z=3 then which of the following is true? (I) x+y+z = 11 (II) x+y-z = -6 (III) x+Y+z = 12 (IV) -x+y-z = -4
Correct answer B. III and IV
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(a+b)2 + (a-b)2 =
Correct answer A. 2(a2+b2)
(x2yz + xy2z + xyz2) / xyz
Correct answer C. x+y+z
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