160 is the first because 1 inches 20 but it says 2 inches so at 40+40+40+40
and the 2nd part is yes he is correct because he converted the inches into feet so i think he is also correct
Answer:
Look at the pic
Step-by-step explanation:
I hope I did it right...I haven't touched this topic a long time
Answer:
a=1, b=2, c=5, d=1, e=6
Step-by-step explanation:
So 
You multiply the area of the triangle by 2
Answer:
A rational number is a number that can be represented a/b where a and b are integers and b is not equal to 0.
Find the common denominator.
Multiply everything by the common denominator.
Simplify.
Check the answer(s) to make sure there isn't an extraneous solution.
