Solve the problem.In how many ways can a class president and a class secretary be chosen from a group of 5 candidates?
A. 20
B. 10
C. 9
D. 60
Answer: A
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Find the conjugate of the complex number. Then multiply the complex number by its conjugate.-9 + 6i
A. -3; 117 B. -15; 117 C. -9 + 6i; 117 D. -9 - 6i; 117
Solve the triangle. Round lengths to the nearest tenth and angle measures to the nearest degree.a = 8, b = 5, c = 4
A. A = 125°, B = 24°, C = 31° B. A = 125°, B = 31°, C = 24° C. A = 31°, B = 125°, C = 24° D. A = 31°, B = 24°, C = 125°
Simplify.
A. 
B. -2(x + 3)
C. - 
D. 
Graph f(x). State the domain, range, and horizontal asymptote of the function.f(x) = 3x - 4 + 2
A. Domain: (-?, ?), range: (- 2, ?)
Horizontal asymptote: y = - 2
B. Domain: (-?, ?), range: (- 2, ?)
Horizontal asymptote: y = - 2
C. Domain: (-?, ?), range: (2, ?)
Horizontal asymptote: y = 2
D. Domain: (-?, ?), range: (2, ?)
Horizontal asymptote: y = 2