Answer:

Step-by-step explanation:
To divide a fraction by another fraction, you flip the second fraction and also change the divide sign to a multiply sign.

Multiply:


Solving for the midpoint can be done by looking for the average of each of the given x-coordinates and y-coordinates. The 2 obtained averages are the new x-coordinate and y-coordinate. This shown below:
Midpoint = ( (-2 + 4)/2 , (5 + -9)/2 )
Midpoint = (1,-2)
Therefore, the new midpoint is (1,-2)
Answer:
13600 ft^2
Step-by-step explanation:
200*80 = 16000 Ft^2
60*40 = 2400 ft^2
16000 - 2400 = 13600 ft^2