exam Maths Puzzle Numerical Ability

Write the equation of a line in point-slop form:

Has a slope of 2/3 and passes through the point (1,-5)

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exam Other Question

A bill of $123 was paid with $5 and $1 coins, a total of 59 notes being used. how many $5 notes were used? A sequence of diagonal lines is drawn from points (1,0),(2,0),(3,0),(4,0),...(10,0) on the x-axis to corresponding points (0,1),(0,2),(0,3),(0,4),...(0,10) on the y-axis. What is the total length of those lines?