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Answers by Nickolaus M.

Obviously this isn't me presenting this, but this is a very clear and concise video on how to do this: http://www.virtualnerd.com/pre-algebra/factors-fractions-exponents/prime-factorization-greatest-common-factor/greatest-common-factor/greatest-common-factor-monomials   To put it...

No matter what, it will cost 174.20 per month for insurance and payment.  Whether you drive the car 1 mile, or 1000 miles, you will pay 174.20 per month for this.  That makes 174.20 your "constant" figure.  Miles driven can vary month to month, so this will be your variable...

simplify 272? (answer)

Think of the smallest prime number that 272 can be divided by, then divide it by that number.  Since prime numbers can only be divided by themselves and 1, you don't have to worry about simplifying the number you divided by.  Replace 272 with the answer you got when you divided, and repeat...

2n-5*n2+3n+6 (answer)

When multiplying polynomials such as (3x + 7) * (x^2 - 3x + y), you multiply every expression in the first one by every expression in the second one, so you end up with 3x*x2 + 3x*(-)3y + 3x*y + 7*x2 + 7*(-)3x + 7*y.  The (-) means "negative" and not...

what is 2/5=n/20 (answer)

First you cross multiply, then solve for the variable: If given a/b = c/d (a is the variable in this example, which is why it is bold) you would multiply a and d, and b and c so it ends up being a*d = b*c, then you solve for a.  So if it were a/2 = 3/6, you would end up with: 6a...