2x+2=20-x
3x=18
x=6
2nd=14
Answer:
A is correct ..............
(3,0),(2,0)
Step-by-step explanation:
the margin of error is 0.05
Margin of error = confidence interval ÷ 2
MOE = CI ÷ 2
Confidence interval CI = 0.2 - 0.1 = 0.1
MOE = CI ÷ 2 = 0.1 ÷ 2 = 0.05
8