Simplify the algebraic expression by combining like terms. [-3x2 - (-6x2 + 5)] + [-(5x2 + (-9 - 5x2)) + 10x2]
A. -9x2 - 4
B. 13x2 - 14
C. -7x2 - 14
D. 13x2 + 4
Answer: D
Mathematics
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Evaluate the integral by using a substitution prior to integration by parts.
A. x cos (ln x) + sin (ln x)+ C
B. 
[cos (ln x) + sin (ln x)] + C
C. x[cos (ln x) + sin (ln x)] + C
D. 
[cos (ln x) - sin (ln x)] + C
Mathematics
Find the requested angle.Supplement of 170°
A. 10° B. 190° C. 80° D. 340°
Mathematics
Find the csc A if tan A = 8/15
What will be an ideal response?
Mathematics
Write a percent for both the shaded and unshaded parts of the figure.
A. 0% shaded; 100% unshaded B. 100% shaded; 0% unshaded C. 0.1% shaded; 99.9% unshaded D. 1% shaded; 99% unshaded
Mathematics