Answer:
20
Step-by-step explanation:
3x + x + 100 = 180 (sum of angles on a straight line)
4x = 180-100
4x=80
divide both sides by 4
x=20
Answer:
..
Step-by-step explanation:
X+6 > -18+9x
18+6 > 8x
24 > 8x
3 > x
Answer:
4073.76
Step-by-step explanation:
18 is the nearest whole number