Find the base. Round to the nearest hundredth unless otherwise indicated.23 is 8% of what number?
A. 287.5
B. 184
C. 28.75
D. 2875
Answer: A
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Solve the equation.
?
?
A. 
B. ?
C. ?
D. ?
E. none of these
Find the center, foci, and vertices of the ellipse.
+ 
= 1
A. center at (-3, 1)
foci at (-3 + 2
, 1), (-3 - 2
, 1)
vertices at (-5, -3), (7, -3)
B. center at (1, -3)
foci at (1 + 2
, -3), (1 - 2
, -3)
vertices at (-5, -3), (7, -3)
C. center at (1, -3)
foci at (- 2
, -3), (2
, -3)
vertices at (6, -3), (-6, -3)
D. center at (1, -3)
foci at (1 + 2
, 1), (1 - 2
, 1)
vertices at (6, -3), (-6, -3)
Solve the problem.The table below shows the results of a consumer survey of annual incomes in 100 households. 
What is the probability that a household has an annual income of $25,000 or more?
A. 0.54 B. 0.46 C. 0.74 D. 0.28
Evaluate the expression.Let x = -5, y = 7. Evaluate 
+ 
.
A. -2 B. 2 C. -12 D. 12