They are equivalent because 4:5 can both be multiplied by 2 making 8:10.
Answer:

Step-by-step explanation:
Let the equation of line is
, where
is the slope of the line.
It passes through
.
(<em>Slope of the line</em> joining
)
Hence slope of the given line

Equation of line is: 
The line passes through 

Check if
is on the line 

Hence line passes through
.
Check if
is on the line 

Hence line passes through
.
Answer:
you have to find the area of the rectangle at the bottom and then find the area of the 2 long triangles and the 2 small triangles and add them together
Step-by-step explanation: