The X Component of Vector $\overrightarrow { \mathrm { A } }$

Multiple Choice

The x component of vector $\overrightarrow { \mathrm { A } }$ is 8.7 units, and its y component is -6.5 units. The magnitude of $\overrightarrow { \mathrm { A } }$ is closest to

A) 9.9 units
B) 7.9 units
C) 8.9 units
D) 11 units
E) 12 units