Use the circle graph to solve the problem.A survey of the 4189 vehicles on the campus of State University yielded the following circle graph.
Together, what percent of the vehicles are either vans or convertibles?
A. 128%
B. 24%
C. 8%
D. 16%
Answer: B
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Express as a single logarithm and, if possible, simplify.ln (72x + 36) - 2 ln 6
A. ln (72x) B. ln (1296(2x + 1)) C. ln (6x + 2) D. ln (2x + 1)
Given the graph of a system of equations, state whether the solution is an ordered pair or whether the system has infinitely many solutions or no solution.
A. an ordered pair B. infinitely many solutions C. no solution
Find the equation of the parabola with the given properties.Vertex: (-2, -3); vertical axis of symmetry; containing the point (-4, 13)
A. 
(y + 3) = (x + 2)2
B. 
(x + 3) = (y + 2)2
C. 
(y + 2) = (x + 3)2
D. 
(x + 2) = (y + 3)2
A simplex matrix is given. In this case, the solution is complete, so identify the maximum value offand a set of values for the variables that gives this maximum value. If multiple solutions may exist, indicate this and locate the next pivot.
A. The maximum value off is 80 when
,
and
.
B. The maximum value of f is 80 when 
, 
and 
.
C. The maximum value of f is 80 when
,
. Since multiple solutions are possible, pivot on 2 in R1C3.
D. The maximum value of f is 80 when
,
. Since multiple solutions are possible, pivot on 1 in R1C4.
E. The maximum value of f is 80 when
,
. Since multiple solutions are possible, pivot on 1 in R2C4.