7.2 miles per hour hope that helps if not then tell me. what is the unit or items. example:miles over hour.
Answer:
cant help you with this one!!
Answer:
Brads shadow is 3 feet long.
Step-by-step explanation:
The expression equivalent to -21.8 - (-18.3) would be option A; -21.8+18.3.
<h3>What are equivalent expressions?</h3>
Those expressions that might look different but their simplified forms are the same expressions are called equivalent expressions.
To derive equivalent expressions of some expression, we can either make it look more complex or simple.
The given expression is
-21.8 - (-18.3)
So, open the bracket and distribute the negative;
-21.8 (+18.3)
Thus, the expression equivalent to -21.8 - (-18.3) would be option A; -21.8+18.3.
Learn more about equivalent expressions;
brainly.com/question/17904994
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