Round 3,989.23655 to the nearest thousandth. 3,989.236 3,989.237 3,989.240 4,000

The answer is 3,989.237

Step-by-step explanation:

the thousandth place is the third one over so that would be 6

then you would go one over and if it is 4 or less you keep 6 as 6 and get rid of everything after 6. but if it is 5 or more, then you make the 6 into a 7 and get rid of everything after 7.

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this linear equation would have just one solution.

step-by-step explanation:

the reason why this would have one solution is that it is an expression with just one variable. since that variable is not raised to a power, it will always have just one solution.