exam Maths Puzzle Numerical Ability

what is the equation of the ellipse with foci at (0,-4) and (0,4) and the sum of its focal radii being 10?

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exam Other Question

Rewrite the equation Y=print_ coeff(m,1)x print_ const(b)as a function of x.

Please help me on this.
Write an equation of the line that is parallel to the given line and passes through the given point.

y=3x-1, (0,2) Thank you