exam Maths Puzzle Numerical Ability

Yuri has a board that is 98 inches long. He wishes to cut the board into two pieces so that one piece will be 10 inches longer than the other.

Equation Used:

Length of piece 1:

Length of piece 2:

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exam Other Question

Please can someone help me with this problem: If f(4)= 0 and f(6)= 6, which of the following could represent f(x)? I do not know where to begin with this problem it is confusing. Can someone help me? A line passing through (-4,4) and (x,-8) is perpendicular to a line with slope 5/12. Find the value of x.