Select all the expressions that have a value of 40 when x = 10.8.

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Step-by-step explanation:

The question is incomplete. However, you can make use of the following tips to answer your question.

We have that:

because

Another possible expression is:

This is so, because:

Another one is:

This is so because:

So, all you need to do is to substitute 10.8 for x in the given expression,

If the solution equates to 40, then that's your answer

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the least common denominatore of 7 and 2 is 9

step-by-step explanation:

7+2=9