exam Maths Puzzle Numerical Ability

show that the difference between the measures of the supplement and the complement of an angle is 90.

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I need to WRITE 30,672 in expanded form.

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sher If the points (1,3) and (5,1) are two opposite vertices of a rectangle and the other two vertices lie on the line y = 2x + c, then what is the value of c ?
and what are the co-ord