Answer:
B.84 sq.units
Step-by-step explanation:
Adding both rectangles
12 + 72
84sq.units
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Answer: n-8
Step-by-step explanation: n represents the unknown number. You need to subtract 8 from the number since "less than" is another phrase to describe subtraction.
I hope this helps, have a nice day.
Answer:
-20
Step-by-step explanation:
n/4 + 7 = 2
n/4 = -5
n = -20
Answer: Archimedes
Step-by-step explanation:
Archimedes was considered the father of mathematics, simply because he made profound advancements in both science and math. His title is purely a nickname, and not because he actually created math.