Solve the system by elimination. x - y = 28x - 8y = - 16
A. No solution
B. (9, -7)
C. Infinitely many solutions
D. (0, 0)
Answer: A
Mathematics
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Find the volume of the solid generated by revolving the region about the given axis. Use the shell or washer method.The region in the first quadrant bounded by x = 5y - y2 and the y-axis about the y-axis
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Find the equation of the axis of symmetry of the parabola.y = -3x2 + 6x - 9
A. x = 2 B. x = - 1 C. x = 1 D. x = 6
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 
D. 
Mathematics
Solve.0.4(8 + t) = 10.8t + 0.6
A. 0.65 B. 0.85 C. 0.25 D. -0.15
Mathematics