If possible, solve the system of equations. Use any method. If there is not a unique solution to a system, say why.0.9x + 0.6y = -5.10.8x + 0.4y = -4
A. (-3, -4)
B. (-3, -13)
C. (-3.6, -3.1)
D. (-3.6, -13)
Answer: A
Mathematics
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Evaluate the integral.
A. 60
B. 45
C. 
D. 30
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Graph the inequality.y ? 
A. 
B. 
C. 
D. 
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Solve the problem.The volume of a rectangular box with square base remains constant at 700 cm3 as the area of the base increases at a rate of 
2/s. Find the rate at which the height of the box is decreasing when each side of the base is 19 cm long.
A. 
cm/s
B. 
cm/s
C. 
cm/s
D. 
cm/s
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Find the specified domain.For f(x) = 2x - 5 and g(x) = 
, what is the domain of g ? f?
A. [?,-1) B. [7, ?) C. (-7, 7) D. [-1, ?)
Mathematics