The answer is A!
Hoped I help! Mark me brainly! It would help a lot !
Answer= 7
Explanation: combine all like numbers
5-b+4-2=0
5-2+4=7
7-b=0
Then you can tell the answer is 7 because that is the only thing that can replace b and equal 0
Answer:
11
Step-by-step explanation:
11,16,12,7,23,9,5,5
arrange to least to greatest
5,5,7,9,11 ,12,16,23
2 middle numbers
11+12= 23
23÷2= 11.5
Median is 11