Every time the y-value decreases by 1, the x-value increases by 2, so the slope is -1/2 throughout the line.
N-O
———-
O
(New - old
—————
O)
8750-12500
——————-
12500
-3750
————
12500
=030%
(-1,-3) is the smallest and (5,5) is the largest. you have to subtract them.
A straight line is 180° and this is less than that but it’s more than 90°, 105° is close to 90 and this is a bit bigger so your best estimate is
B.) 180°
