Solve the system by graphing. If there isn't a unique solution to the system, state the reason.x + 6y = 64x - 7y = -7
A. (0, 1)
B. (0, 0)
C. (1, 1)
D. (1, 0)
Answer: A
Mathematics
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Provide an appropriate response.The total cost for a product is given by C(x) = 900 + 8 ln(3x + 7). Find the rate of change of C''(x).
What will be an ideal response?
Mathematics
Write a percent for both the shaded and unshaded parts of the figure.
A. 60% shaded; 40% unshaded B. 64% shaded; 36% unshaded C. 64% shaded; 46% unshaded D. 6.4% shaded; 36% unshaded
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem. Round your answer to the nearest tenth, if necessary.Ron takes two hr more time than Paul to mow the lawn. Working together they can mow the lawn in 
. How long does it take each of them working alone?
A. Paul: 8.3 hr; Ron: 10.3 hr B. Paul: 10 hr; Ron: 12 hr C. Paul: 9.1 hr; Ron: 11.1 hr D. Paul: 8 hr; Ron: 10 hr
Mathematics