Factor by grouping.15x2 + 9xy + 10xy + 6y2
A. (3x + 2)(5x + 3)
B. (3x + 2y)(5x + 3y)
C. (15x + 2y)(x + 3y)
D. (3x - 2y)(5x + 3y)
Answer: B
Mathematics
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Express the number as the ratio of two integers.0.5555555 . . .
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operation.
- 
A. 
B. 
C. 
D. 
Mathematics
Find the phase shift of the function.y = -2 sin 
A. 
units to the left
B. 
units to the right
C. 2? units up
D. 2? units down
Mathematics
Simplify the expression. Write the answer using only positive exponents. Assume that all variables represent positive real numbers.70 - (-13)0
A. 0 B. 20 C. -2 D. 2
Mathematics