Estimate the sum or difference by first rounding to the nearest ten.32869431
A. 300
B. 270
C. 276
D. 280
Answer: B
Mathematics
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Simplify.
- 
A. - 
B. 
C. - 
D. - 1
Mathematics
The graph of a function is given. Choose the answer that represents the graph of its derivative.
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression. Assume that all variables represent nonnegative real numbers.
- 4
+ 6
A. 29
B. 2
C. 2
D. 29
Mathematics
Perform the indicated operation and simplify.
+ 
A. x2 + 4 B. x2 - 2x + 4 C. x2 + 4x + 4 D. x2 + 2x + 4
Mathematics