7. Yin's cellphone plan costs $30 a month. She used 22.5 hours in May
1 answer:
Answer:
CPM = ~$0.02
Step-by-step explanation:

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Answer:
robert is 12 years old
Step-by-step explanation:
robert's age=x
40=3x+4
that's the equation
40=3x+4
=36=3x
x=12
He would’ve ran 286 miles in total.
S=-1 see attachment for explanation
Answer:
Step-by-step explanation:
y=3x