Solve using the elimination method. Use a graphing calculator to check your answer. x - 3y = 18 9x - 2y = 12
A. (0, -6)
B. (6, 0)
C. (1, -7)
D. No solution
Answer: A
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Find fx, fy, and fz.f(x, y, z) = e(yz + sin x)
A. fx = (cos x)e(yz + sin x); fy = e(yz + sin x); fz = e(yz + sin x) B. fx = (cos x)e(yz + sin x); fy = ze(yz + sin x); fz = ye(yz + sin x) C. fx = e(yz + sin x); fy = ze(yz + sin x); fz = ye(yz + sin x) D. fx = (cos x + yz)e(yz + sin x); fy = ze(yz + sin x); fz = ye(yz + sin x)
Graph the equation by plotting points.y = x3 
A. 
B. 
C. 
D. 
Solve the problem.The number of men dying of AIDS (in thousands) since 1987 is modeled by 
where x represents the number of years after 1987. Use this model to predict the number of AIDS deaths among men in 1994. Express answer rounded to the nearest hundred men.
A. 37,000 B. 25,800 C. 26,000 D. 36,900
Write the decimal as a fraction or mixed number in lowest terms.0.512
A. 
B. 
C. 
D. 