<span>C. E(n)=5n+42
5 times the number of people + 7 times 6
</span>
Answer:

Step-by-step explanation:
Subtract 13 from 17 to get the length of the base. Then add the 1, 1, and 3 together to get the height. Then you use the area formula for a triangle.
Answer:
the answer is -2x^9
Step-by-step explanation:
i know this because of photomath lolll
Answer:
553 km
Step-by-step explanation:
1:55.3 to 10:553