I need help with #8 Please explain! Thank you ;)

Answers; a) 135 degree’s b) 30 degree’s c) 180 or 0 degree’s d) 90 degree’s

How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)

Graph a point. start at your origin, move left 10 units, and then move up three units which ordered pair is the point you graphed