Solve the problem.Erik Allen repairs photocopy machines. According to his schedule, he needs to visit 9 different offices today. How many ways can Erik visit these offices and return to his headquarters?
A. 72
B. 40,320
C. 9
D. 362,880
Answer: D
Mathematics
You might also like to view...
Factor the expression completely.A circular pool is surrounded by a concrete walk. The area of the concrete around the pool is 
A. ?(R - r)2 B. ?(R2 - r2) C. (?R + ?r)(R - r) D. ?(R + r)(R - r)
Mathematics
Provide an appropriate response.Divide: (a2 + 20a + 100) ÷ (a - 8)
What will be an ideal response?
Mathematics
Choose the best estimate from the list.
is approximately 1
, 2
, 2, 3.
A. 2
B. 3
C. 2
D. 1
Mathematics
Evaluate the binomial coefficient.
A. 36 B. 9 C. 1 D. 0
Mathematics