Answer:
(a) 480 + 1640
Step-by-step explanation:
I don't really know what (b) is
but hope this helped
Answer:
-11xy-14y+4x
Step-by-step explanation:
The area of the postal box base is 231.04 cm^2.
Answer:In my opinion B.0.005 is the correct answer
Step-by-step explanation:
hope it will help you