Simplify the expression.
A. x3y-4z
B. -x3y4z
C. x3y2z
D. -x4y4z2
Answer: B
Mathematics
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Find the function value. If the result is irrational, round your answer to the nearest thousandth.Let f(x) = 
x. Find f
.
A. 15.588
B. 0.064
C. 
D. 1.357
Mathematics
Solve.81x2 + 4y2 = 3242y - 9x = 18
A. (0, -9), (2, 0) B. (0, 9), (-2,0) C. (0, -2), (9, 0) D. (0, 2), (0, -9)
Mathematics
Solve the system by either elimination or substitution. Verify your work by using "intersect" on your graphing calculator of by checking that your result satisfies both equations of the system.5(2x + 3) - y = -307x - 5(y - 3) = -38
A. (4, 5) B. (-4, 5) C. (-5, 4) D. (5, -4)
Mathematics
Factor the binomial completely.b10 - m2
A. (b5 + m)2 B. (b5 + m)(b5 - m) C. (b5 - m)2 D. prime
Mathematics