Hey there!

Simplify the
(the top part))

Then, simplify the
(the bottom part, let's pretend it is multiplied by a(n) invisible
))

Our answer is: 
Good luck on your assignment and enjoy your day!
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Janina is the tallest, while Isabel is the shortest.
Answer. : C. Quadrilateral PQRS is a rectangle.
Step-by-step explanation: Plato