Evaluate the expression for x = -2, y = 3, and a = -4.-4a - 6y - 3x
A. 23
B. 8
C. 19
D. 4
Answer: D
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Use the shell method to find the volume of the solid generated by revolving the shaded region about the indicated line.About the line y = 7
A. 
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B. 
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C. 
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D. 
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Factor the trinomial, if possible.-2x3 + 2x2 + 40x
A. -2x(x + 5)(x - 4) B. -2x(x - 5)(x + 4) C. -2x2(x - 5)(x - 4) D. 2x(x + 5)(x + 4)
There were many names mentioned in this section. Give a brief description for the person named in problem, telling how they were related to the development of computers. ? Gottfried Leibniz ?
A. calculating device in 1617 B. founder of I.B.M computers C. 1st working computer, ENIAC D. developed WWW E. calculating device in 1695
Solve the problem.An employee was paid $20,625 during the first half of last year. During the second half he was paid $40,858. How much more was his income during the second half?
A. $61,473 B. $20,233 C. $20,223 D. $61,483