Solve the problem.Stan and Ron's hobby is building birdhouses. The number of wren houses cannot exceed 4 times the number of martin houses. They cannot make more than 60 wren houses or more than 50 martin houses. The total production cannot exceed 75. The profit on a wren house is $7.60 and the profit on a martin house is $6.40. Find the maximum profit.
A. $320.00
B. $540.00
C. $552.00
D. $1840.00
Answer: C
Mathematics
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Solve. Where appropriate, include approximations to the nearest thousandth. If no solution exists, state this.54x - 5(4x + 1) = -100
A. 
B. 
C. - 
D. No solution
Mathematics
Convert to rectangular coordinates.
A. (-6
, 6
)
B. (6
, 6
)
C. (6
, -6
)
D. (-6
, -6
)
Mathematics
Find the angle between the given vectors. Round to the nearest tenth of a degree, if necessary.a = 6i - 5j, b = 5i - 9j
A. 22.1° B. 56.8° C. 100.8° D. 21.1°
Mathematics
Use the figure to determine the derivative.The figure shows the graph of f(x) = 2 + 
along with its tangent line 
at the point (0, 2). What is f'(0)?
A. 1 B. 0 C. -1 D. 2
Mathematics