Solve the system of equations by Gaussian elimination.
A. {(0, 3, 0)}
B. {(0, 3, -3)}
C. {(0, 0, 3)}
D. ?
Answer: A
Mathematics
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Divide and write the answer in simplest form.- 1.8 ÷ 3
A. - 0.6 B. 6 C. - 6 D. - 0.06
Mathematics
Use Stokes' Theorem to calculate the circulation of the field F around the curve C in the indicated direction.F = 3yi + yj + zk; C: the counter-clockwise path around the boundary of the ellipse 
+ 
= 1
A. 90? B. 30? C. -90 D. -90?
Mathematics
Evaluate.Let a = 
, b = 
. Find 3a + 6b.
A. 
B. 
C. 
D. 
Mathematics
Factor the trinomial completely. If the trinomial cannot be factored, say it is prime.12x2 - 40x + 4x3
A. (4x2 + 8x)(x - 5) B. 4x(x + 2)(x - 5) C. 4x(x - 2)(x + 5) D. (x - 2)(4x2 + 20)
Mathematics