Answer:
-14
Step-by-step explanation:
If you simplify the expression you get -14
Answer:

Step-by-step explanation:

Distribute 4 through the parentheses

Collect like terms


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Answer:
The fourth choice.
Step-by-step explanation:
Because since 90 miles is basically counted as your first day, you do the number of days, n, minus 1 and then multiply it by 5 to find the number of miles walked after the first day. Then you add it to 90.
answer is b.Step-by-step explanation: