Answer:
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
It wouldnt be a single grade being surveyed so we would choose d in additon a and b isnt national since it says 'in a certain town' and 'in a certain county'.
Which leaves you with D.
Answer:
x=3
Step-by-step explanation:
For the first one, the answer is yes.
2. A.-1.
i hope this helps.
The answer is 492 hope it helps