exam Maths Puzzle Numerical Ability

If the line containing the points (-8,m) and (2,1) is parallel to the line containing the points (11,-1) and (7,m+1), what is the value of m?

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exam Other Question

The length of a rectangle 3 cm greater than its width. If the area of the rectangle is 40 cm squared, find the lengh and width.. This is a word problem my teacher made up for us. I am having trouble setting it up. Please help! "The difference of two numbers is 5. Twice the larger number is three times the smaller number. Find the two numbers."