Answer:
wait plse
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Step-by-step explanation:
i know the answere i am quite busy will answer u later
Answer:
since the unknown amount can buy 100 pencils
he bought 70 pencils
therefore $4.50 can buy 30 pencils
so 1 pencils cost $4.50 /30=0.15
The slope of the line is 1/3
Answer:
perpendicular (90 deg to each other)
Step-by-step explanation: