Answers created by Kenneth B

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How do you subtract $\frac{y + 4}{y - 3} - \frac{y - 2}{y + 2}$ $\frac { y + 4} { y - 3} - \frac { y - 2} { y + 2}$ ?
If $s (x) = x^{2} + 1$ $s(x)=x^2+1$ and $t (x) = x - 3$ $t(x)=x-3$ , does $s (t (x)) = t (s (x))$ $s(t(x))=t(s(x))$ ?
Question #f9588
$2 \frac{1}{5}$ $2 1/5$ is 11% of what?
How do you solve $\frac{1}{2} x - \frac{1}{4} = \frac{1}{3} x + \frac{1}{5}$ $\frac { 1} { 2} x - \frac { 1} { 4} = \frac { 1} { 3} x + \frac { 1} { 5}$ ?
How do you write $y = 4 {(x - 2)}^{2} - 1$ $y = 4(x - 2)^2 - 1$ in standard form?
How do you solve $- \frac{4 a}{a + 8} = \frac{12}{a - 13}$ $-\frac { 4a } { a + 8} = \frac { 12} { a - 13}$ ?
Solve? $f - \frac{5}{2} = 9$ $f-5/2=9$
What branch of earth science studies the position of earth in the solar system?