Factor completely using the trial and error method to factor trinomials. If unfactorable, indicate that the polynomial is prime.20x2 + 16x - 4
A. (5x - 1)(4x + 4)
B. (5x + 1)(4x - 4)
C. (4x - 1)(5x + 4)
D. (x - 1)(20x + 4)
Answer: A
Mathematics
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+ 
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A. a = 
- b
B. a = 
C. a = bc - 
D. a = 
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cos 4 
A. 
B. 
C. 
D. 
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Solve the triangle.a = 7, c = 11, B = 126°
A. b = 19, A = 23°, C = 31° B. b = 16.1, A = 21°, C = 33° C. b = 21.9, A = 19°, C = 35° D. no triangle
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Find the selling price per item to the nearest cent.Total cost: $46.18Quantity: 30Unsaleable: 10%% Markup on selling price: 28%
A. $1.34 B. $21.38 C. $2.14 D. $2.38
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