Multiply and simplify.
? 
A. 
B. 
C. 
D. 
Answer: B
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Perform the operation and write the result in the standard form.(8 - 3i) + (4 + 7i)
A. 12 - 4i B. -12 - 4i C. -12 + 4i D. 12 + 4i
Find the indicated angle.Find the complement of 169°.
A. 79° B. 11° C. 169° D. not possible
Find the factored form of a polynomial function f whose roots are given. Then find values of the leading coefficient for which the coefficients of f in standard form are integers.Roots: 
, 
, -3
A. f(x) = 75a(5x + 1)(15x + 1)(x - 3)
a = k, for any integer k
B. f(x) = 
(5x - 1)(15x - 1)(x + 3)
a = 75k, for any integer k
C. f(x) = 75a(5x - 1)(15x - 1)(x + 3)
a = 75k, for any integer k
D. f(x) = 
(5x + 1)(15x + 1)(x - 3)
a = 75k, for any integer k
Simplify the expression using the order of operations. Write the answer as an improper fraction where appropriate.3 ? 5 - 54 ÷ 9
A. - 
B. 21
C. 0
D. 9