Answer:
.80
or
0.80
Step-by-step explanation:
80 is out of 100, which is other words is .80 or 0.80
Answer:
15
Step-by-step explanation:
The sides add to 63, so:

OMG I LOVE THE OFFICE, team dwight
Here's a picture I found on google of what a 45 degree angle looks like.
i believe the farmer can pick 540 boxes in 45 days