Simplify the radical. Assume that all variables represent positive numbers.
A. 4
B. 3
C. -2
D. ±2
Answer: C
Mathematics
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Use simple probability to complete the exercises.Use the spinner below to answer the question. Assume that it is equally probable that the pointer will land on any one of the five numbered spaces. If the pointer lands on a borderline, spin again. Find the probability that the arrow will land on 1 or 5. 
A. 1
B. 3
C. 
D. 
Mathematics
Add or subtract. Express the answer as a mixed number.16
+ 5
A. 21
B. 20
C. 22
D. 16
Mathematics
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Perform the matrix operation.Given A = 
and B = 
, find AB.
A. 
B. 
C. 
D. 
Mathematics