Find the value of the determinant.
A. 65
B. -5
C. -61
D. 61
Answer: D
Mathematics
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Determine which of the numbers below is a possible order of magnitude estimate of the quantity described.The total number of cups of coffee drunk last year by Europeans.
A. Two hundred billion B. Two trillion C. Ten trillion D. Ten billion
Mathematics
Solve the problem.Without graphing, determine the amplitude and period of the function 
A. Amplitude = 6
Period = 
B. Amplitude = 6
Period = ?
C. Amplitude = 3
Period = 
D. Amplitude = 3
Period = 
Mathematics
Find the exact value of the expression.sin 20° cos 40° + cos 20° sin 40°
A. 
B. 
C. 
D. 
Mathematics
Solve the equation and check your proposed solution.23 = -27 + a
A. -4 B. 50 C. 4 D. -50
Mathematics