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Bruce-Alan M.'s Resources

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IF your expression "a-2 b-3" is meant to be "(a-2)(b-3)" then Bill is correct, and the answer is -5 when a is 3 and b is -2. However, if you mean"a - 2b -3" then, substituting the values you gave for a=3 and b=-2, that would be "3 - 2(-2) -3" which is...

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0.00032 ^ -2/5 (answer)

 An exponent following a value has 3 parts, which mean threee very different things: 1.)  The denominator (on "top") is the "POWER" that the value is raised to (2 for squared, 3 for cubed, etc.) 2.)  The numerator (or "bottom") is a "ROOT"...

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Altho this is an algebra question (with three very good answers given above), I'd like to add a "test-prep" tip, especially for so-called "standardized" tests, such as the SAT: Once you have factored one polynomial, don't start all over to factor the other one.  Instead,...

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physics buoyant (answer)

Note that the length of the cord (1.2m) and the depth of the pool (3.3m) a both irrelevant. Of course, this ignores the slight variation in gravity as the ball gets closer to the center of the Earth (but we don't even know how far the pool is above sea level  ;^>  ), and it assumes...