Perform the matrix operation.Given A = 
, find 3A.
A.
B. 
C. 
D. 
Answer: B
Mathematics
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Evaluate.7 ? 9
A. 54 B. 72 C. 16 D. 63
Mathematics
Find the unknown value.82 is 50% of what number?
A. 16.4 B. 164 C. 1640 D. 41
Mathematics
Solve the problem.Jack borrowed $340 from his brother. Jack's brother wants 6 monthly payments of 
to repay the loan. How much extra is Jack's brother charging for the loan?
A. $200 B. $540 C. $110 D. $640
Mathematics
Solve. Reduce the fraction in your answer.There are 5280 feet in a mile. What fraction of a mile is represented by 144 feet?
A. 
B. 
C. 
D. 
Mathematics