Solve the Problem $12 \mathrm { ft }$ B) $3 \sqrt { 34 } \mathrm { ft }$

Multiple Choice

Solve the problem.
-A ladder that is 15 feet long is 9 feet from the base of a wall. How far up the wall does the ladder reach?

A) $12 \mathrm { ft }$
B) $3 \sqrt { 34 } \mathrm { ft }$
C) $\sqrt { 6 } \mathrm { ft }$
D) $144 \mathrm { ft }$