Answer:
137
Step-by-step explanation:
175+115+145+115+135= 685
685÷5= 137
To put that into words you add up all the numbers and divide the sum by how many numbers there are.
Answer:
18
Step-by-step explanation:
The answer is D, 7n + 14.
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Answer:
-19.8
Step-by-step explanation: