Answer:
$68.85
Step-by-step explanation:
19% of $85 is $16.15
$85 - $16.15 = $68.85
Answer:
3/4
Step-by-step explanation:
I drew a slope triangle and found the slope by finding the distance between two points on the line.

Hope this helped!
Answer:
they don't know the correct length for ad, and they just guessed