I would go with -33 cause if you replace the t with -33 you would have to solve the problem and it would be 7 so -33 is the answer.
Well what do u need help with can u explain?
If the squares are 4 inches then the height of the sides will be 4 inches, so you multiply the area of the base times 4!
Louise wants to factorize completely the given polynomial 
Grouping first, second terms together and third, fourth terms together
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Taking 
common from first and second terms of the given expression and taking 5 common from the third and fourth terms.
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Taking (x+3) common from the given expression,
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is the completely factored form.
