book Maths Puzzle Numerical Ability

(5,r) (2,3) slope=2

Question says determine the value of 'r' so that a line through the points with each given coordinate has the given slope. draw a sketch of each situation. P

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book Other Question

Expand and show the working out for the following question:

abc((a + b^2 + c^3)c) =

Thanks in advance the hypotinuse of a right triangle is 6 m long. one leg is 1 m longer than the other. find the length of the shorter leg. round to the nearst hundred.