Solve the equation.8.6x + 2.5x = 144.3
A. 14
B. 12
C. 13
D. 15
Answer: C
Mathematics
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Sketch the graph of the function.y = 2 sin 3x - 2 cos 3x
A. 
B. 
C. 
D. 
Mathematics
Multiply.(2x + 7)(2x + 7)
A. 2x2 + 27x + 49 B. 2x2 + 28x + 27 C. 4x2 + 49x + 28 D. 4x2 + 28x + 49
Mathematics
Provide an appropriate response.Use the corner-point technique to maximize Z = x + 2y subject to 
Also determine the values of x and y at which the maximum value occurs.
What will be an ideal response?
Mathematics
Find the book value after the given number of years, using the straight-line method. Round your answer to the nearest dollar.Find the book value at the end of the first year.Cost:$3900Estimated life:4 yearsEstimated scrap value:$400
A. $2925 B. $2150 C. $875 D. $3025
Mathematics