You have just purchased a suit to wear to an important job interview. As you head home from the store, you agonize in your mind about whether your choice of dark gray was right, or whether you should have chosen dark blue. This is an example of:

speed

explanation:

prime rate/ credit history apex

the secretary of defense is the principal defense policy advisor to the president. under the direction of the president, the secretary exercises authority, direction, and control over the department of defense.

as you did not provide any choices for me to choose from to give you a direct answer, this is the only information i can provide.