For this case we must find the solution of the following expression:
"the square root of 4 plus the square root of 5"
We have to:
the square root of 4 is represented as 
the square root of 5 is represented as
So, we have:

ANswer:

Answer: 5
Step-by-step explanation:
5x7=35
35-4=31
Answer:
20 kilometers
Step-by-step explanation:
1 trip to school= 8÷2=4 kilometres
Total number of kilometres=8x2+4=16 kilometers
Answer:
(2,1)
Step-by-step explanation:
Hope I helped