Factor the trinomials that are perfect-square trinomials. If it is not a perfect square, respond "not a perfect square."9x2 - 30xy + 25y2
A. (3x - 5)2
B. (3x - 5y)(3x + 5y)
C. (3x + 5)2
D. not a perfect square
Answer: A
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Evaluate the improper integral.
A. 
B. 
C. 
D. 
Select letters to represent the simple statements and write each statement symbolically by using parentheses then indicate whether the statement is a negation, conjunction, disjunction, conditional, or biconditional.If a number is divisible by 3 and the number is not divisible by 2 then the number is not divisible by 6.
A. p ? (~q ? ~r); conjunction B. (p ? ~q) ? (~r); biconditional C. p ? (~q ? ~r); disjunction D. (p ? ~q) ? (~r); conditional
Write the shaded area in the figure as a mixed number and as an improper fraction.
A. 2
; 
B. 1
; 
C. 5
; 
D. 1
; 
Solve the problem.An election is held among six candidates (A, B, C, D, E, and F). Using the method of pairwise comparisons, A gets 4 points; B gets 3
points; C gets 2
points; D gets 1 point, and E and F tie. How many points does E get?
A. 1
B. 
C. 2
D. 
E. none of these