(13 + j6) - (8 - j) =
a. 21 + j5
b. 5 + j5
c. 5 + j7
d. 21 - j5
e. 21 + j7
c. 5 + j7
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Solve the system of equations by the substitution method. If the system does not have a single ordered pair as a solution, state whether the system is inconsistent or dependent.-5x - 44 = 9y-2x + 3y = -22
A. (2, -6) B. Infinitely many solutions; dependent C. (1, -5) D. (2, -5)
Solve the problem.If f(x) = (x - 2)2 , find all values of x for which f(x) = 25.
A. 5, -5 B. -3, 7 C. 27 D. -7, -3
Give all possible rational zeros for the polynomial.f(x) = 2x3 - 5x2 + 7x - 13
A. ±1, ± 
, ±2, ± 
B. ±1, ±2, ±13, ± 
C. ±1, ±13, ± 
, ± 
D. ±1, ±2, ±13
Find the sample space for the experiment.There are 3 cards in a hat; one is a King, one is a Queen, and one is an Ace. Two cards are to be selected at random without replacement.
A. {K Q, K A, Q K, Q A, A K, A Q} B. {K Q A, Q K A, A K Q} C. {K K, K Q , K A, Q K , Q Q , Q A, A K , A Q , A A} D. {K K Q, K K Q, Q A K, A Q A}