book Maths Puzzle Numerical Ability

State the Equation of the line perpendicular to 4x-y=8 and having the same y-intercept as 7x-2y=4

Thanks, SUMEET

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book Other Question

The area of a gymnasium floor is 264 square yards. The floor is 11 yards wide. How long is the floor?
a)253 yards
b)24 yards
c)11 yards
d) 242 yards I have another piecewise defined function to graph:
f(x) = {x^2 if |x| <=1}
{1 if |x| >1}

If |x| being less than 1 I should get all positive values on the graph, right?

Thank you very much!