Perform the indicated operations.(7n5 - 20n2 + 9) - (4n5 - 7n2 - 17)
A. 3n5 + 13n2 + 26
B. 3n5 - 13n2 + 26
C. 3n5 + 13n2 - 26
D. 3n5 - 13n2 - 26
Answer: B
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Use the properties of parallel lines to solve the problem.If m 
n and m(?6) = 126°, what are the measures of the other angles?
A. m(?2) = m(?4) = m(?8) = 126°, m(?1) = m(?3) = m(?5) = m(?7) = 64° B. m(?5) = m(?7) = m(?8) = 126°, m(?1) = m(?2) = m(?3) = m(?4) = 54° C. m(?2) = m(?4) = m(?8) = 126°, m(?1) = m(?3) = m(?5) = m(?7) = 54° D. m(?2) = m(?4) = m(?8) = 126°, m(?1) = m(?3) = m(?5) = m(?7) = 36°
Multiply.-10ax3(3ax5 - 7x3)
A. -30ax + 70x B. -30a2x8 - 7x3 C. -30a2x8 + 70ax6 D. -30a2x8 + 70x6
List the first n terms of the geometric sequence satisfying the given conditions.a1 = 5, r = 
, n = 3
A. 5, 
, 
B. 
, 
, 
C. 5, 
, 
D. 5, 
, 
Rewrite the statement so the inequality symbol points in the opposite direction.11 < 28
A. 28 ? 11 B. 28 > 11 C. 11 > 28 D. 28 < 11