The commutatice property for addition says a+b=b+a
If it was for subtraction, then it would be a-b=b-a
Take a=7 and b=5
7-5 is not equal to 5-7
2 is not equal to -2
So subtraction is not commutative for whole numbers.
Hope this helps :)
Answer:
90
Step-by-step explanation: A right triangle will always add up to 180 seeing that the other two add up to 90 the last side is 90
The answer should be 65. The number be added is doubled. +4,+8, +16, +32 So 32+33=65 65+64=129
It will expand. Or it will grow.
if the length is 8ft and the width is (7+x) then the area would be 56+8x, if x is unknown.
