Answer:
Step-by-step explanation:
a² + b² = c²
a² + 9² = 12²
a² + 81 = 144
a² = 63
a = √63
Answer:
x=7
idk if this is right but i hope it helps you
P.S. plz friend me im new to this :P :I
98.420 is the correct answer to this problem
6x + 1 is the expression
Hope that helps!
-Grace
