Josefins has a bog of skittlos that contains 13 blue skittles, 20 red skittles, 20 green skittles end 26 yelluw skilles. What is the probability that Jusefina randomly selects a blue skittles fiom the bas keeps it, then randomly selects another blue skittle? Express your answer as a rediuced fraction.

What is the value of \( (-5)^{-3} \times 5^{6} \) ?

\( \frac{7}{x-2}+\frac{2}{x+8}=\square \) (Simplify your answer.)

2. (5 points) What type of reasoning is being used in this argument? Explain your answer. For the last 3 days, Jonny has been absent from school. Therefore, Jonny will be absent from school tomorrow.

When the penny is at the highest point of its trajectory, the net force on the penny is: Positive Negative Zero

3) Решите систему уравнений методом Крамера: \( \left\{\begin{array}{l}2 x_{1}-5 x_{2}+5 x_{3}=-34 \\ 5 x_{1}+3 x_{2}+4 x_{3}=4 \\ -3 x_{1}-3 x_{2}+x_{3}=-23\end{array}\right. \)