exam Maths Puzzle Numerical Ability

I need help with writing equations of the line with the given slope and y intercept this is my problem slope-3/4,y intercept (0,8)

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exam Other Question

Could you please determine whether the abosolute value inequality is equivalent to the inequality following it?

|x-3|>0,x-3>0

Also could you please give details?
Thank you very much. The cylinder diameter is 19 depth 1.6 at the rate of 14m3 per hr.
How many hrs. will it take to empty the pool? Thanks