Decide whether or not matrix A and matrix B are inverses.A = 
and B = 
A. Yes
B. No
Answer: A
Mathematics
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Simplify the expression.
A. -49 B. 49 C. 7 D. -7
Mathematics
Perform the indicated operation. Simplify the result if possible.8 yd 2 ft × 5
A. 43 yd 2 ft B. 11 yd 2 ft C. 43 yd 1 ft D. 49 yd 1 ft
Mathematics
Solve the triangle.a = 7, c = 5, B = 90°
A. b = 8.6, A = 35.5°, C = 54.5° B. b = 7.6, A = 35.5°, C = 54.5° C. b = 9.6, A = 54.5°, C = 35.5° D. b = 8.6, A = 54.5°, C = 35.5°
Mathematics
Tell whether the statement is true or false.{all odd integers greater than -3 and less than 5} = {-1, 1, 3}
A. True B. False
Mathematics