Answer:
19 degrees
Step-by-step explanation:
12-(-7)= 19
(12+7=19)
A
N = (-1, -1)
-1 + 1 = 0
-1 - 1 = -2
So the new coordinates are (0,-2), same with the other coordinates.
c. acute
all angles are less than 90 degrees, so it is acute
n=2
5n+20=30
so, 5(2)+20 =30
10+20=30
