3x6 = 18
3 - 18 = -15
-15 + 2 = -13
Answer : C integer
When adding square root 25 and -9 which type of number is the sum
square root (25) is a perfect square number
-9 is an integer. Integer is a whole number that is positive or negative or 0. -9 is a negative number so it is an integer
the value of 
Now we find the sum of 5 and -9
5 - 9 = -4
-4 is an integer
So the sum is an integer
Step-by-step explanation:
hope it is helpful to you
Yes they are , since they are very common in ones body
1st problem:
A = 630 cm
2nd problem:
A = 104 cm
All I can see on the picture you provided.