Which of these chess pieces starts on squares a1 and h1 and a8 and h8.

What is a step you should take when asking someone to write a letter of recommendation for you? make sure that person only has one copy of the lettermake sure the person hands you the letter in an unsealed envelopeyou should sign the back of the envelopeyou should the person who wrote the letter this is for sat prep (basic skills sat)