Answer:
Let X be the number of weeks.
2x - 16 = 14
we add 16 on both sides.
2x = 30
now we divide 2 on both sides to get rid of the 2 to the x, we want to get x on its own.
X = 15
? + 8 = 11
Subtract 8 from both sides.
? = 3
HG = 8
? + 6 = 9
Subtract 6 from both sides.
? = 3
HI = 3
Step-by-step explanation:

Vas happenin!!!
Hope your day is good or your night
C: (-8, -9)
D: (2, -9)
E: (-2,1)
F: ( -8, -1)
Hope this helps *smiles*
Answer:
You will know when two lines exactly verticle and horizontle meet together that one intersection will be a right angle it will be exactly 90 degrees.