Determine the size of matrix A and tell whether it is a square matrix, row matrix, column matrix, or none of these.A = 
A. 5 × 4; none of these
B. 4 × 5; none of these
C. 20; row matrix
D. 4 × 4; square matrix
Answer: B
Mathematics
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Solve the problem.A solid of constant density is bounded below by the plane 
above by the cone 
and on the sides by the cylinder 
Find the center of mass.
A. (0, 0, 
)
B. (0, 0, 3)
C. (0, 0, 
)
D. (0, 0, 5)
Mathematics
Provide an appropriate response. Find the distance between the points (-4, 7) and (8, 2).
A. 6.403 B. 9.849 C. 7 D. 13
Mathematics
The table gives the winner of the weekly gymnastics competition for the first eight weeks of the season. 
What is the highest average score on the list? Who achieved that average?
A.
| 39.115; | Davis, M |
B.
| 39.085; | Smith, A |
C.
| 39.975; | Davis, M |
D.
| 38.895; | Wilson, K |
Mathematics
Solve the system by graphing.
A. (5, -5) B. (0, 10) C. Infinitely many solutions D. Inconsistent
Mathematics