When subtracting integers you have to do keep change flip and when adding you subtract and how do you know which symbol to use you may be asking well the bigger number is the symbol you're going to be using
Hi !
In the decimal number 26.513:
2 is in the tens place.
The answer is D) or acute because it's the definition of an acute triangle.
The answer is -1 , because when you add a negative number to a positive number the negative number will subtract , and vise versa.