Find the standard form of the equation of the hyperbola satisfying the given conditions.Foci: (0, -8), (0, 8); vertices: (0, -5), (0, 5)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Answer: C
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Outliers pose a problem for which type of average: mean or mode? Explain why. ?
A. ?The mode; An outlier will shift the mode to a different value. B. The mode; An outlier will decrease the frequency of the already existing mode. C. The mean; An outlier will increase the sum of the data values, thus increasing the mean. D. ?The mean; An outlier will decrease the sum of the data values, thus increasing the mean. E. ?Neither; Outliers do not significantly affect either average.
Determine the number of significant digits in the given approximate number.587,000,000
A. 9 B. 5 C. 3 D. 8
Find the rational fraction in lowest terms represented by the periodic decimal.0.676767 . . .
A. 
B. 
C. 
D. 
Solve the problem.Jack has 82 trees that he wants to plant in a rectangular array. List the possible arrays.
A. 2 × 41, 41 × 2 B. 1 × 82, 2 × 41 C. 1 × 82 D. 1 × 41, 2 × 41