- Is this, [√(x+2) ] [√(x-1)] evaluated as (x+2)(x-1)?

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How do you determine the number of valence electrons for an element? Are there any social networking sites where you can meet others interested in the paranormal/supernatural? Constant force of 5.60 N acts on a 2.80 kg object for 10.0 s. What are the changes in the object's momentum? -N·s? If the radius of a circle is expanding at a constant rate, then its area is increasing at a constant rate. True or False? What is the ratio of the circumference of a circle to its radius?