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schepotkina [342]
3 years ago
13

Do all three please help

Mathematics
1 answer:
sattari [20]3 years ago
7 0

Step-by-step explanation:

14)

30$ a day

y=30*d

15)

y =  \frac{1000}{e}

16)

earns $45 per hour and spends $20

y=45* x -20

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