Solve the system by graphing.5x + y = -16 x + 3y = -6 
A. {(3, -1)}
B. {(-3, -4)}
C. {(-3, -1)}
D. {(-4, 4)}
Answer: C
Mathematics
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Simplify.(4a)2
A. 16a2 B. 8a C. 8a2 D. 16a
Mathematics
The loudness of a sound of intensity x, measured in watts per square meter, is defined as L(x) = log (
), where xo = 10-3.A company with loud machinery needs to cut its sound intensity to 26% of its original level. By how many decibels should the loudness be reduced?
A. 5.760 decibels B. 6.880 decibels C. 5.850 decibels D. 6.237 decibels
Mathematics
Solve the formula for the specified variable.d = 
for W
A. W = 
2
B. W = 
C. W = 
D. W = 
Mathematics
The feasible set (FS) for a certain linear programming problem is shown below. Determine the values for x and y that maximize 4x + 3y. What is the maximum value?
What will be an ideal response?
Mathematics