Solve the problem.The temperature on a December morning is -4° F at 2a.m. If the temperature drops 3° by 3 a.m., rises 5° by 4 a.m., and then drops 9° by 5a.m., find the temperature by 5 a.m.
A. -21° F
B. -11° F
C. 21° F
D. 11° F
Answer: B
Mathematics
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Find the standard-form equation for a hyperbola which satisfies the given conditions.A hyperbola centered at the origin having focus at (12, 0) and eccentricity equal to 
A. 
+ 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
+ 
= 1
Mathematics
Solve the problem.How many five-digit counting numbers contain at least one 6?
A. 37,512 B. 40,951 C. 49,049 D. 30,951
Mathematics
Using Green's Theorem, calculate the area of the indicated region.The area bounded above by y = 4x and below by y = 2x2
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Multiply: 13 ? 10-4
A. 0.0013 B. 130,000 C. 0.00013 D. 1,300
Mathematics