exam Maths Puzzle Numerical Ability

Can I have some help with the following problem?

The lift L on an airplane wing at takeoff varies jointly as the square of the speed s of the plane and the area A of its wings.

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exam Other Question

For these problems write the standard equation for the ellipse with the given characteristics.

1. foci (5,0) (-5,0) Vertices (9,0) (-9,0)

2. foci (7,0) (-7,0) Co-ve Find the slope of a line containing these points.

(5,-2) & (-3,2)

need help and steps