Combine and simplify, if possible.-16
+ 5
A. -11
B. -21
C. 22
D. 10
Answer: A
Mathematics
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Solve.5x - 25 = 4x - 10
A. 16 B. 14 C. 15 D. -7
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Determine whether the equation is an identity. If it is an identity, prove it.cos2 x - sin2 x = 1 - 2 sin2 x
What will be an ideal response?
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Solve the quadratic equation by factoring.
= 1x
A. x = 0, -2
B. x = 12, - 
C. x = 6, 2
D. x = 3, -2
Mathematics
Simplify. ?20
A) 4?5 B) 2 ?3 C) 10 D) 4?3 E) 2?5
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