Answer:
-10
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
x. y = 28
check attachment
x - price of a video tape
y - price of a DVD

<h3>Answer: video tape cost $19 and DVD cost $32.</h3>
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.