Add or subtract as indicated.- 
+ 
A. 
B. 
C. 0
D. 
Answer: B
Mathematics
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Match the equation to its graph.y2 = -4x
A. 
B. 
C. 
D. 
Mathematics
Use a half-angle formula to find the exact value of the expression.sin 
A. 
B. - 
C. - 
D. 
Mathematics
Multiply.(x - 7)(x + 4)
A. x2 - 3x - 4 B. x2 - 4x - 28 C. x2 - 3x - 28 D. x2 - 28x - 3
Mathematics
Factor the four-term polynomial by grouping.10x6 + 6x3 - 25x3 - 15
A. (2x3 + 5)(5x3 - 3) B. (10x3 + 5)(x3 - 3) C. (2x3 - 5)(5x3 + 3) D. (2x6 - 5)(5x + 3)
Mathematics