This is a easy question, but the words make no sense..... i am pretty sure that either they turned the plane upside down...or they switched parts until it has not been changed at all, i hope i'm answering this correctly and that this will help.
Answer:
0=0
Step-by-step explanation:
There are infinite solutions because the x's cancel. When they do, 25 = 25. Thus, infinite.
#1 is 560 #2 is 105 #3 is 1980 #4 is 1122 hope it helps
16 pi inches squared brotha