According to the author, how are immigrants and refugees different from each other? What does the author mean when they describe refugees as "the zombies of the world"? Why does the author's personal experiences shape their understanding of being a refugee? How does the author challenge the perception of refugees in society?

Watch the video and then solve the problem given below. Click here to watch the video. Let \( f(x)=-2 x+7 \). Find and simplify \( f(n) \). \( f(n)=\square \) (Simplify your answer.)

A ball is launched with an initial velocity of 20 m/s at an angle of 30° above the horizontal. Find the horizontal components of the ball's velocity.

Find \( \frac{d^{2} y}{d x^{2}} \) \( e^{2 y}+x=5 y \) \( \frac{d^{2} y}{}-\square \)

Write an equation for a function that has the graph with the shape of \( y=x^{2} \), but upside-down and shifted left 9 units. \( f(x)=\square \) (Use integers or fractions for any numbers in the expression.)

\( \leftarrow \begin{array}{l}\text { Let } f(x)=-5 x+6 . \text { Find and simplify } f(x+3) \\ f(x+3)=\square \text { (Simplify your answer.) }\end{array} \)