Answer:
x+9
Step-by-step explanation:
the sum is the answer to an addition question
"a number" is a variable (I chose x, but it can be pretty much anything you'd like :)
so, the sum of a number and 9 would be x+9 because you are adding "a number" and 9
Answer:
Looks like all your answers and questions got deleted.....
Step-by-step explanation:
THIS IS WHAT I WAS TALKIN ABOUT
The entire fraction is inside, so do the square root of each number normally:
Sqroot (16) = 4
Sqroot (49) = 7
Answer: 4/7