exam Maths Puzzle Numerical Ability

The area of a rectangular field is 42,000 meters squared. Julie finds that by taking a diagonal path instead of walking halfway around the field, she walks 120 meters less. how lon

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exam Other Question
the equationof a line with slope m that passes through the point (c,d) is given the formula y-d=m(x-c).
if m=4 and (c,d)=(6,0) which of the followingis an equationof the line i need step by step solution using elimination method,thank u

3x+4y=-15
3x+6y=-21