Find the domain of f(x)=2x/x^2+9

What is the result of converting 60 ounces to pounds remember there are 16 ounces in a pound

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b