Perform the modular arithmetic operation.42 - 29 (mod 4)
A. 1
B. 0
C. 52
D. 2
Answer: A
Mathematics
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Evaluate the algebraic expression for the given values of the variables.9(x - 3) - 8(x + 8), x = 4
A. –33 B. 41 C. –91 D. –87 E. 4
Mathematics
Solve the differential equation.D2y - 5 Dy = 0
A. y = c1e-5x + c2 B. y = c1e-5x + c2ex C. y = c1e5x + c2ex D. y = c1e5x + c2
Mathematics
Solve the equation by factoring.x2 + 3x - 108 = 0
A. {12, -9} B. {12, 9} C. {-12, 1} D. {-12, 9}
Mathematics
Use an identity to find the value of the expression. Do not use a calculator.sec2 
- tan2 
A. - 
B. -1
C. 1
D. 
Mathematics