Provide an appropriate response.Consider determining how many possible phone numbers there are in an area code (repeated digits allowed). Is this an exercise in combinations, permutations, or neither?
A. Combinations
B. Permutations
C. Neither
Answer: C
Mathematics
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Fill in the blank.
angle has a measure of 90°.
A. A right B. An obtuse C. A straight D. An acute
Mathematics
Perform the indicated operation. Simplify if possible.- 
- 
A. 
B. 
C. 
D. 
Mathematics
Graph the function y = g(x), given the graph of y = f(x). g(x) = f
A. 
B. 
C. 
D. 
Mathematics
Solve the system of equations using substitution. Note that the system may be inconsistent or consistent with dependent equations.
A. (7, -1) B. (8, -2) C. All ordered pairs along 7x - 68 = 6y D. No solution
Mathematics