Find the indicated coefficient or term.The coefficient of x in the expansion of (2x + 3)5
A. 540
B. 1215
C. 270
D. 810
Answer: D
Mathematics
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Find the exact value of the expression.cos (60° - 45°)
A. 
B. 
C. 
D. 
Mathematics
Simplify the absolute value expression.-|14|
A. 0 B. -14 C. 14 D. 28
Mathematics
Factor the polynomial completely.4x2(x - 10) + 13x(x - 10) - 35(x - 10)
A. (x - 10)(x - 7)(4x + 5) B. (x - 10)(x + 5)(4x - 7) C. (x - 10)(x - 5)(4x - 7) D. (x - 10)(x2 + 5)(4x - 7)
Mathematics
How many factors are in the expression? (a + b) (c + d)
A) 2 B) 4 C) 3 D) 1 E) 6
Mathematics