12/21 MCM = 3
12 : 3 = 4
21 : 3 = 7
Solution: 4/7
On the line plot 11/3 is the eleventh one.
0___1____2___3___4___5___6___7___8___9___10_____11_
3 3 3 3 3 3 3 3 3 3 3 3
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Answer: A
Step-by-step explanation: 10x10=100
Answer: C. (-7x+9)(x-2)
Step-by-step explanation:
1. Factor out the negative sign.
−(7x^2+5x−18)
2. Split the second term in 7x2+5x−18 into two terms.
−(7x^2+14x−9x−18)
3, Factor out common terms in the first two terms, then in the last two terms.
−(7x(x+2)−9(x+2))
4. Factor out the common term x+2x+2x+2.
−(x+2)(7x−9) or (-7x+9)(x-2)
First distribute the 2(2+4x)
3x-4+4+8x
then just combine like terms.
8+11x
therefore
3x-4+2(2+4x)=8+11x<span />