Answer:
31 days?
Step-by-step explanation:
There are 31 days from Janurary 13 to Feburary 13.
Do you have a picture of the graph, but if there is a dilation there will be a small plane and a big on on the same graph and one will have a ‘ by the point letter representing it’s the 2 image
#21
To find the area of rectangle, you multiple length by width, so that would be

Since we are talking about area \ length, x need to be positive so we don't need to worry about absolute value now.
#22
The area of triangle is

, so that would be

Hope this helps.