Estimate. Choose a rounding digit that gives one or two nonzero digits.9.85 ÷ 2
A. 0.5
B. 5
C. 50
D. 0.05
Answer: B
Mathematics
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Find the second derivative of the function.r = 
(6 - ?)
A. 
= 
B. 
= - 
- 1
C. 
= 
- ?
D. 
= - 
- 1
Mathematics
Perform the indicated operation or operations.
+ 
A. 
B. 
C. 
D. 
Mathematics
Use the discriminant to determine the number of real solutions.25x2 + 10x + 1 = 0
A. One real solution B. Two real solutions C. No real solutions
Mathematics
Use the coordinates of the indicated points to find the slope of the line.
A. 
B. 0
C. -3
D. undefined
Mathematics