Use the square root property to solve the equation. (x + 9)2 - 6 = 0
A. {-3, 15}
B. 
C. 
D. 
Answer: B
Mathematics
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Suppose you have the following project digraph. (The numbers in parentheses represent hours.)
The number of tasks in the project is
A. 8. B. 9. C. 10. D. 7. E. none of these
Mathematics
Solve the quadratic equation.10x2 = 80x
A. 0, 8 B. 10, 8 C. 8 D. No real solutions
Mathematics
Use a calculator and the change-of-base formula to find the logarithm to four decimal places.log5.6 4.4
A. 0.7857 B. 0.6435 C. 0.8600 D. 1.1628
Mathematics
Model the curve with a cosine function.
?
?
Note that the period of the curve is 
, its range is 
and the graph of the cosine function is shifted to the right 0.35 units.
?
A. 
B. 
C. 
D. 
E. 
Mathematics