9.
a) You put the scientific notation in expanded form, 671,000,000. From there just divide it by 60. 11,183,333.333 miles per minute.
b) Take the miles/minute rate and multiply it by 8.3; 92821666.6667 miles per 8.3 minutes.
Hope this helps :)
Answer:
x=116
Step-by-step explanation:
subtract 21 on both sides
the answer is in the attachment
Hope it helps
For question 1, just plug in -2 as <em>h.
</em>

<em>
</em>You would get...

<em>
</em>Hope this helped! <em>-4, or option 1, is correct!</em><em>
</em>