The answer is -34 cause if x is -7 and y is 3 then you know you switch em out and do the thing and get the answer.
Equal - you can remember by ‘equil’ in equilateral sounding a lot like equal
Average speed is 18.6 kilometer per hour
<u><em>Solution:</em></u>
Given that,
To visit the sites, Nathan's family drove 6.8 km, 9.8 km, 20.3 km, and 46.8 km
They drove for 4.5 hour
To find: average speed
<em><u>The average speed is given by formula:</u></em>
Here, total distance = 6.8 + 9.8 + 20.3 + 46.8 = 83.7 km
Total time taken = 4.5 hour
<em><u>Substituting the values in formula,</u></em>
Thus average speed is 18.6 kilometer per hour
Answer:
Step-by-step explanation: