exam Maths Puzzle Numerical Ability

I need help again with another problem. setting up an equation and solving by factoring. thank you

problem:
Yolanda's rectangular living room is 2ft longer than it is wide, and

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exam Other Question

This is from the Compass sample test
Algebra Placement
Polynomials

6. What is the sum of the polynomials 3a^2b+2a^2b^2 and -ab^2+a^2b^2?

Explain in detail please. A few years ago Portland instituted a new area code of 971 so that more phone numbers could be assigned. How many seven-digit phone numbers can be formed using this area code if the only restriction is that the first number cannot be 0 or 1?