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Let’s watch some TV this weekend.

Is the following sentence an example of formal or informal writing?

We found out when they met up.

Is the following sentence an example of formal or informal writing?

Many children in the world lack adequate food and housing.

Is the following sentence an example of formal or informal writing?

I’ve been under the weather lately.

Is the following sentence an example of formal or informal writing?

I would like to apologize for any inconvenience I may have caused.

Is the following sentence an example of formal or informal writing?

Furthermore, we have seen the number of units sold increase dramatically.

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Lots of kids have dropped their courses this fall.

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Write back ASAP.

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To top it all off, I have an essay to write by Monday.