What are the characteristics of an independent clause? select three options. it contains a subject and a verb. it expresses a complete thought. it begins with a relative pronoun. it can stand alone as a complete sentence. it cannot stand alone as a complete sentence.

1,2,4

Step-by-step explanation:

First, Second, Fourth options are correct.

Step-by-step explanation:

Since an independent clause is a collection of words that can stand alone as a complete sentence,contains a subject and a verb and expresses a complete thought.

It must contain both a subject and predicate.

Hence, First, Second, Fourth options are correct.

answer: the answer is 30 miles per hour.

ft/s -> mphmph = ft/s 1.466667mph = 44 divided by 1.466667mph = 30.00000

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