Express the sum using summation notation.22 + 43 + 64 + ... + 169
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the mistake, then find the correct answer.Solve for x: x2 - 4x + 10 = 0 line 1x = 
line 2 x = 
line 3 x = 
What will be an ideal response?
Mathematics
Evaluate the factorial expression.9!
A. 362,880 B. 40,320 C. 181,440 D. 725,760
Mathematics
Solve the problem.There are 5 people in a club -- Cal, Elissa, Stephanie, Ken, and Pat. In how many ways can a President and a Treasurer be chosen for the club? (No person can hold both positions.)
A. 20 B. 24 C. 12 D. 10
Mathematics
Provide an appropriate response.Let A = 
and B = 
.Does the matrix A + B have an inverse?
A. No B. Yes
Mathematics