Answer:
for part a i think it is the second one sorry if i do get it wrong and i couldnt answer the last one sorry
Step-by-step explanation:
I'm so sorry for not answer but which grade and what workbook is it?
It is 19 because of the Pythagorean theorem which states a squared plus b squared is c squared.
A number - n
five times the number - 5n
nine more than five times the number - 5n+9
The answer is D.
