Factor by grouping.6x2 - 4xy - 15xy + 10y2
A. (3x - 2y)(2x - 5y)
B. (3xy - 5)(2xy- 2)
C. (3xy - 2)(2xy - 5)
D. (3x - 5y)(2x- 2y)
Answer: A
Mathematics
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Solve the problem.Jason purchased rose plants and sunflower plants for his garden. Rose plants cost $7 each, and sunflower plants cost $13 each. If his spending limit was $240, write an inequality to show the possible combinations of rose plants and sunflower plants he could have purchased.
A. 7x + 13y ? 240 B. 13x + 7y ? 240 C. 13x + 7y ? 240 D. 7x + 13y ? 240
Mathematics
Find the distance AB across the river. (Assume ED ? DA and AB ? DA .)
Mathematics
Graph the function. State whether it is increasing, decreasing, or constant..f(x) = 
x + 3
A. decreasing
B. increasing
C. increasing
D. increasing
Mathematics
Solve the equation.log (2 + x) - log (x - 3) = log 2
A. {8}
B. {-8}
C. ?
D. 
Mathematics