Simplify the expression.
?

?
A.
B.
C. 0
D.
E.
Answer: A
Mathematics
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Evaluate the root, if possible.
A.
B.
C.
D.
Mathematics
Find all local extreme values of the given function and identify each as a local maximum, local minimum, or saddle point.
A. local maximum;
local minimum
B. saddle point;
saddle point
C. local maximum
D. local minimum
Mathematics
Identify which of three conceptual models of division (repeated subtraction, partition, missing-factor) best corresponds to the problem.The city bridge has 8 lanes, all carrying equal numbers of cars. If 264 cars drive across the bridge, how many cars cross in each lane?
A. Repeated subtraction B. Missing-factor C. Partition
Mathematics
Solve the equation. - 8 = -5
A. {-59} B. {57} C. {59} D. {-57}
Mathematics