Simplify.-81 ÷ (-9)2 - 8 ? (-6)
A. 47
B. -44
C. -47
D. 44
Answer: A
Mathematics
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Solve the problem.A technician has readings that take 3
minutes each to read and record. How many readings can be completed in 240 minutes?
A. 9 readings B. 241 readings C. 72 readings D. 800 readings
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Decide whether the statement is true or false. If false, correct the statement so it is true.
= 
A. True
B. False; 
= 
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Solve. First combine any like terms on each side of the equation.
x = 26 + 2
A. 45 B. 42 C. 36 D. 39
Mathematics
Find the inverse, if it exists, of the given matrix.A = 
A. 
B. 
C. 
D. 
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