Step-by-step explanation:
Co interior angles' sum is 180°
Add the two speeds together, then divide the two, this gives the average speed. Hope this was helpful!
Answer: 17/20
<u>Divide</u>
34/40 ÷ 2/2 = 17/20
Divide each side by 2 so it'll be 2/2.
The answer is c because k and m are the same so l and n are also the same
Community property of addition because -6 + 6 would equal zero