Hello there.
Question: Find two square numbers that have a sum of 130
Answer: Use trial and error:
It would be 81 + 49 = 130.
Hope This Helps You!
Good Luck Studying ^-^
Answer:
just substitute them and calculate them it's that easy
To find out how many students were left handed, we know that if 90% were right handed, then 10% have to be left handed.
30 students x 0.10 = 3 students left handed