That's all the answers and the work and i also put the PEMDAS method that i used.
Answer:
40
Step-by-step explanation:
8 - 72
x - 360

Answer:90
Step-by-step explanation:
10,20,30,40,50,60,70,80,90,100
Counting in tens the same row as 83 is 90 .
To find the total length of the two copper pipes, we need to add them together.
2 5/12 + 3 7/12 = 5 12/12
Since 12/12 = 1 or a whole, we can simplify this further.
5 12/12 = 6
Hope this helps!
-64, -50, -45, 28, 34, 65