Translate the percent problem to a proportion using x for the unknown value. Do not solve the proportion.25 is what percent of 55?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Answer: A
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Find the value of the objective function at each corner of the graphed region. What is the maximum value of the objective function? What is the minimum value of the objective function?Objective Function z = 20x + 50y
A. maximum value: 460; minimum value: 140 B. maximum value: 460; minimum value: 300 C. maximum value: 300; minimum value: 140 D. maximum value: 460; minimum value: 0
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. x - 8
B. 
C. 
D. x + 8
Find the foci of the ellipse whose equation is given.36(x - 3)2 + 25(y + 1)2 = 900
A. foci at (-3, -1 - 
) and (-3, -1 + 
)
B. foci at (4, -1 - 
) and (4, -1 + 
)
C. foci at (3, -1 - 
) and (3, -1 + 
)
D. foci at (-1, 3 - 
) and (-1, 3 + 
)
Solve the problem.If f(x) = 
+ 9, find a such that f(a) = 5
A. 2
B. - 13
C. 
D. 22