Use the appropriate addition formula to find the exact value of the expression.cos 
A. - 
- 
B. 
- 
C. 
D. 
Answer: C
Mathematics
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Add.(4.9) + (-4.9)
A. -24.01 B. 9.8 C. 0 D. -9.8
Mathematics
Evaluate the sum.
5k
A. 110 B. 10 C. -110 D. -10
Mathematics
Multiply.8549
A. 72,666.5 B. 726.665 C. 712.132 D. 7266.65
Mathematics
Factor the trinomial, or state that the trinomial is prime.12x2 - 25xy + 12y2
A. (12x - 4y)(x - 3y) B. (3x - 4y)(4x - 3y) C. (3x + 4y)(4x + 3y) D. prime
Mathematics