Add. Write your answer in simplest form. 4 7/9 + 1 4/9 A. 6 2/9 B. 5 2/9 C. 5 11/18 D. 6 11/9

6 2/9

Step-by-step explanation:

4 7/9 + 1 4/9

Since the denominators are the same, we can add

5  11/9

We need to fix the improper fraction

5 + 9/9 + 2/9

5+1+2/9

6 2/9

it costs $20 to interview each person for a survey. find the cost to obtain a +- 3% margin of error.

step-by-step explanation:

copy and paste, put it in google

i think the correct option is the second option.