exam Maths Puzzle Numerical Ability

Can you tell me if this is correct?
Find three consecutive integers such that four times the sum of the first and second is 17 more than 7 times the third
1st integer:n
2nd integer:n+2
3rd integer:n+4
4n+7(n+4)+17

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exam Other Question

I need some help on this problem:

I need to simplify:
10 lb. 28 oz.


Thanks,
Ashley
Determine the vertex of y=xsquared-8x+22.