Answer:
n = 23
Step-by-step explanation:
if 1/2 (n-5) = 1/2 (23-5)
that must mean that n=23.
and if you are just looking for 1/2 of 23-5 that is just 9. (23-5) = 18 and half of 18 is 9
Answer:
What the
Step-by-step explanation:
Answer:
The Answer is A.) -4
Step-by-step explanation:
Answer:
10°
Step-by-step explanation:
the sum of interior angles of triangle is 180°
so. 8x+x+90°=180°
9x=90°
x=10°
8x - 2y = -8
-5x + 2y = -1
3x = -9
x = -3