Factor.10x2 - 23x + 12
A. (10x - 1)(x - 12)
B. (10x - 3)(x - 4)
C. (2x + 3)(5x + 4)
D. (2x - 3)(5x - 4)
Answer: D
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Evaluate the integral using the given substitution.
dy , u = y6 + 5y3 + 5
A. 
(y6 + 5y3 + 5)4 + C
B. 
(y6 + 5y3 + 5)4(10y4 + 10y) + C
C. 
(y6 + 5y3 + 5)4 + C
D. 9(y6 + 5y3 + 5)2 + C
Solve the problem.A railroad tunnel is shaped like half of an ellipse. The height of the tunnel at the center is 11 ft and the vertical clearance must be 9 ft at a point 20 ft from the center. Find an equation for the ellipse. 
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Solve the problem.If a pizza of diameter 6 inches will feed one, how many will a pizza of diameter 18 inches feed? Assume that both pizzas have the same thickness.
A. 3 B. 27 C. 4 D. 9
Perform the indicated operations. Simplify the answer.
A. - 
B. 
C. - 
D. 