Ineed the answer no guessing and explain

Your answer will be b = a + 5

This will be your answer because if you put in the number 4 for a in the equation will end up with 9

b = a + 5

b = 4 + 5

b = 9

if you put in all the number that are in under a in the equation you will end up with all the numbers that are under b

Hope I helped you

have a nice day :)

the answer is b = a+5

24

step-by-step explanation:

the graph shows 30% of students walk. 80 students were questioned, so the number that said they walk is

30% × 80 = 0.30 × 80 = 24