Answer:
Step-by-step explanation:
7.5
Answer:
3 multiply by 6 multiply by 5
= 90 cm²
Answer:
<h2>7n + 28</h2>
Step-by-step explanation:

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Answer:
D.It is a convex pentagon because it has five sides and none of the sides would extend into the inside of the polygon.
Step-by-step explanation:
You are so very welcome!
The fact that it takes Earth 365 days to move year in and year out has been known for many centuries. Even before heliocentric and geocentric models were introduced, people were already familiar with the 365 day period. Perhaps Galileo would be the answer, but hasn't been truly defined as to who first observed this.