Natalie is shopping at a used book and music store. A sign advertise 4 cds for $12. What is the unit rate for the cost of 1 cd?
2 answers:
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Answer:
Step-by-step explanation:
We can use the general distance formula between any two points and
on the plane given by:
We simply identify with (0, 4) and
with (-6, -3) , thus obtaining:
