How many solutions does this system have?

2x+3y=-3

3x+6y=-9

one

two

an infinite number

no solution

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A cats catnip toy is on sale for 10 percent off the regular priceof 3.30 find the sale price

What is the repeating decimal 0.242424 ... as a fraction in simplest form?

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8 22/66 in lowest terms

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What is the equation for an arithmetic sequence with a first term of 6 and a second term of 2?