Answer:

Explanation:
Combining the fractions, we have:
Hii! i’m not sure about the second pic but the first one is for sure B: 862/999 :)
The opposition of -29 is 29
Two expressions for the perimeter of a square are:
4a
- a represents one side of the square
a + a + a + a
- a representa one side of the square
the first expression does not include any addition. But the two expressions are actually equivalent.
The answer to 45+98 equals 143