Start by combining the fractions:



Recall the Pythagorean identity:

Then cancel a factor of
and use the definition of secant:

Answer:
Its 405, theres no negatives so the answer wouldn’t be negative, and then just multiply and you get 405! Hope this helped!
If you were to solve for y, it would be 2. Therefore 2y would be 4.
Are there options? Otherwise the definition is: <span>a figure formed by the intersection of a plane and a right circular cone. Depending on the angle of the plane with respect to the cone, a conic section may be a circle, an ellipse, a parabola, or a hyperbola.
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Area of a rectangle is

(7.4×5.5)m
=40.7m
therefore the area of the room is 40.7m