Determine the size of matrix A and tell whether it is a square matrix, row matrix, column matrix, or none of these.A = 
A. 9; none of these
B. 2 × 3; none of these
C. 3 × 3; square matrix
D. 6 × 6; square matrix
Answer: C
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Find the area.
A. 578 m2 B. 289 m2 C. 34 m2 D. 68 m2
Solve the problem.A famous golfer tees off on a straight 390 yard par 4 and slices his drive to the right. The drive goes 280 yards from the tee. Using a 7-iron on his second shot, he hits the ball 170 yards and it lands inches from the hole. How many degrees (to the nearest degree) to the right of the line from the tee to the hole did he slice his drive?
A. 39° B. 118° C. 23° D. 52°
Provide an appropriate response.Write as a decimal: fifty-six thousandths
A. 56,000 B. 0.0056 C. 0.56 D. 0.056
Find the area of the triangle. If necessary, round the answer to two decimal places. 
A. 101.49 B. 9.23 C. 25.37 D. 31.21