Answer:

Step-by-step explanation:
Multiply numerator and denominator by √2

Which question do you need help on?
Answer:
G=23/16
Step-by-step explanation:
Answer:
an increase of 12%
Step-by-step explanation:
68 divided by 77 is 0.88 approximately
100-88 is 12
Tip:
do this for increase and decrease in percentage question
divide small number by big number, and subtract the quotient from 100