Solve the system of equations.8x + 2y + 5z = 12-4x + y -10z = -104x - 2y + 20z = 17
A. 
B. 
C. 
D. ?
Answer: C
Mathematics
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Find the approximate circumference of the circle.Round to the nearest thousandth.
A. 14.758 yd B. 7.379 yd C. 17.341 yd D. 29.516 yd
Mathematics
Determine if the given value is a solution to the equation.2(w + 2) = 3(w - 1); 6
A. solution B. not a solution
Mathematics
Find the second derivative of the function.y = 
A. 
= 
+ 
B. 
= 
+ 
C. 
= - 
- 
D. 
= - 
- 
Mathematics
Provide an appropriate response. Find the volume (number of cubic yards) of concrete needed to pour a foundation for a storage building that is 4 inches deep and 8 feet by 10 feet. Explain your reasoning.
What will be an ideal response?
Mathematics