Answers edited by Fabio

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How do you evaluate $\frac{7}{13} + \frac{1}{7}$ $\frac{ 7}{ 13} + \frac{ 1}{ 7}$ ?
What are the asymptotes and removable discontinuities, if any, of $f (x) = \frac{1}{x^{2}} + 2$ $f(x)= 1/x^2+2$ ?
How do you solve $15 + 5 t + 5 = 415$ $15+ 5t + 5= 415$ ?
How do you solve $3 - 2 (5 x - 4) > - 9$ $3- 2( 5x - 4) > - 9$ and $3 x > - 4 (x - 2)$ $3x > - 4( x - 2)$ ?
How do you solve $13 = 8 - 5 d$ $13 = 8-5d$ ?
How do you solve using the quadratic formula $3 x^{2} + 6 x = 12$ $3x^2 + 6x = 12$ ?
How do you simplify $\frac{{(- 10)}^{5}}{{(- 10)}^{9}}$ $(-10)^5/ (-10)^9$ leaving only positive exponents?