Factor the trinomial or state that the trinomial is irreducible.x2 - 4x - 60
A. (x - 6)(x + 10)
B. irreducible
C. (x - 6)(x + 1)
D. (x + 6)(x - 10)
Answer: D
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Solve the problem.Midtown Antiques collects 5% sales tax on all sales. If total sales including tax are $1,448.11, find the portion that is the tax amount. Round to the nearest cent.
A. $58.96 B. $68.96 C. $72.41 D. $1,379.15
Add and simplify.
+ 
A. 
B. 
C. 4
D. 
Use synthetic division to find the quotient and the remainder.(2x4 - 5x2 - 1) ÷ 
A. Q(x) = 2x3 - 1; R(x) = 3
B. Q(x) = 2x3 - 1; R(x) = 0
C. Q(x) = 2x3 + 
x2 - 
x - 
; R(x) = - 
D. Q(x) = 2x3 - 
x2 - 
x + 
; R(x) = - 
Write the complex number in polar form. Express the argument in degrees, rounded to the nearest tenth, if necessary.
- i
A. 4(cos 330° + i sin 330°) B. 2(cos 300° + i sin 300°) C. 2(cos 330° + i sin 330°) D. 4(cos 300° + i sin 300°)