Simplify.9x + 4 + 3x + 7
A. 12x + 11
B. 23
C. 23x
D. 6x + 11
Answer: A
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Solve the problem.Which of the lines in the picture are lines of symmetry of the given figure?
A. Only m B. No reflection symmetry C. l, m and n D. l and n
Find the magnitude 
and direction angle ?, to the nearest tenth of a degree, for the given vector v. v = -5i + 12j
A. 13; 67.4° B. 13; 112.6° C. 15; 112.6° D. 13; 157.4°
Provide an appropriate response.When making a partial payment before the maturity date, the U.S. Rule states:
A. any partial loan payment first reduces the adjusted principal B. any partial loan payment first reduces the principal C. any partial loan payment is applied equally to principal and interest D. any partial loan payment first covers any interest that has accumulated
Evaluate the algebraic expression for the indicated variable.
+ c for a = -9, b = 1, c = 19
A. 56 B. -342 C. 304 D. 342