Find the value.52 - 63 ÷ 32
A. -21
B. 49
C. -1
D. 1
Answer: D
Mathematics
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Write the first four terms of {an}.an = 
n
A. 
, 
, 
, 
B. 1, 
, 
, 
C. 
, 
, 
, 
D. 
, - 
, 
, - 
Mathematics
A prime number is a natural number that is larger than 1 and can only be divided exactly by itself and 1.Which of the following sets of numbers contains only prime numbers?
A. { 37, 27, 35 } B. { 28, 3, 37 } C. { 17, 27, 37 } D. { 3, 17, 6 } E. { 17, 21, 27 }
Mathematics
Find the exact function value.cos-1(0)
A. 0
B. 
C. 
D. 
Mathematics
The graph of a piecewise-defined function is given. Write a definition for the function. 
A. 
B. 
C. 
D. 
Mathematics