Graph the system of inequalities, and find the coordinates of the vertices.2x + y ? 4 x - 1 ? 0
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B. 
C. 
D. 
Answer: C
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Use the Instructional Algorithm for addition or subtraction to perform the operation.62 + 29
A. 88 B. 101 C. 81 D. 91
Use a power-reducing identity to find the exact value of the expression.sin2 (165°)
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B. 
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D. 
A dye is placed into a mixture of acetone and triethylamine solution. Let D(t ) be the concentration of the dye after t seconds. Let’s suppose the acetone causes the dye to degrade with a decay rate of 0.244 per sec, while the triethylamine causes a downtake rate of 3×10?8molars per second.
(a) Draw a one-compartment model for D . (b) Show that D? = ?0.244D ?(3×10?8 ) (c) Solve for D(t ) given the initial condition D (0) = D0.
Perform the indicated operation.0.77(5x2 + 3x - 1) - (5.86x2 - 8x + 5.496)
A. -2.01x2 + 10.31x - 6.266 B. -0.86x2 + 10.31x - 6.266 C. -0.86x2 + 11x - 6.496 D. -2.01x2 - 5x - 6.266