Find the center of the hyperbola.
- 
= 1
A. (1, -5)
B. (3, 5)
C. (5, -1)
D. (-1, 5)
Answer: D
Mathematics
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Write the whole number in expanded form.20,700
A. 20,000 + 700 B. 20,000 + 7000 C. 2,700,000 D. 2000 + 700
Mathematics
Solve the problem.A thermometer reading 
is placed inside a cold storage room with a constant temperature of 
If the thermometer reads 
in 7 minutes, how long before it reaches 
Round your answer to the nearest whole minute.
A. 5 min B. 10 min C. -8 min D. 19 min
Mathematics
Perform the indicated operations and simplify.
+ 
A. 
B. 
C. 
D. 
Mathematics
Use properties of determinants to find the value of the second determinant, if the value of the first is known.
= -76
= ?
A. -152 B. 76 C. -76 D. 152
Mathematics