Factor the polynomial completely.15x2 + 4xy - 4y2
A. (15x + 2y)(x - 2y)
B. (3x + 2y)(5x - 2y)
C. (3x - 2y)(5x + 2y)
D. prime
Answer: B
Mathematics
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Find all solutions of the equation in the interval [0, 2?).2 cos
- 
= 0
A. 
B. 
C. 
D. 
Mathematics
Find the sum.
+ 
A. 1
B. 
C. 
D. 
Mathematics
Explain the mistake, then simplify correctly.
= 4
What will be an ideal response?
Mathematics
Write the phrase as a variable expression. Use x to represent "a number."Negative nine decreased by 3 times a number
A. -9 - 3x B. 9 - 3x C. -9 + 3x D. 9 + 3x
Mathematics