Decide whether the expression has been simplified correctly.(9b)8 = 9b8
A. No
B. Yes
Answer: A
Mathematics
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Factor the trigonometric expression and simplify.sin2x + sin2x cot2x
A. 1 B. cot2x - 1 C. cot2x + 1 D. sin2x + 1
Mathematics
Multiply and simplify.
? 
A. 
B. 
C. 
D. 120xy
Mathematics
Find the standard form of the parabola with the given characteristics.
focus: (–9, 7) vertex: (–9, 6) A) (x + 9)2 = 4(y – 6) B) (x – 9)2 = 4(y + 6) C) (x – 6)2 = 4(y + 9) D) (x + 6)2 = 4(y – 9) E) (x – 9)2 = (y + 6)
Mathematics
Factor completely. If the polynomial is prime, state this.u2 - 2uv - 63v2
A. (u - 7v)(u + 9v) B. (u - 7v)(u + v) C. (u + 7v)(u - 9v) D. (u - v)(u + 9v)
Mathematics