Perform the indicated operation.
- 
A. 1
B. 
C. 
D. 0
Answer: B
Mathematics
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Factor by grouping.r2 + 3r + 5r + 15
A. (r + 3)(r - 5) B. r(r + 15) C. (r - 3)(r - 5) D. (r + 3)(r + 5)
Mathematics
Determine whether the infinite geometric series has a limit. If a limit exists, find it.25 - 1 + 0.04 - . . .
A. 
B. 
C. 
D. No limit
Mathematics
For the given pair of points, find the equation of the line 
that goes through the points by solving a system of equations.(-3, 1) and (-4, 4)
A. y = -3x - 8 B. y = -3x + 1 C. y = -6x - 8 D. y = -3x + 10
Mathematics
Match the given function to its graph.1) y = sin (x - 
)2) y = cos (x + 
)3) y = sin (x + 
)4) y = cos (x - 
)A B
height="201" width="200" />C D
A. 1A, 2B, 3C, 4D
B. 1C, 2A, 3B, 4D
C. 1B, 2D, 3C, 4A
D. 1A, 2D, 3C, 4B
Mathematics