Solve for x.

-3x = - 15

x = - 5

x = 5

x = - 45

17 1/3 + (-50 1/3) - 5 1/2

Mr and Mrs Smith each have a car. Mr Smiths car has needed 6 tyres and 2 batteries since new. Mrs Smiths car has needed 9 tyres and 1 battery. a. How many tyres and batteries have the smiths needed together? b.

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396.9611565 round to the nearest whole unit

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I am very confused on how to figure out if y = 3/4x is proportional?

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