What is one way that people adapt to the semiarid climate of jodhpur, india?

In the figure, polygon abcd is transformed to create polygon a′b′c′d′. this transformation is a by a factor of .

Can someone me with this plz? ! i'm putting 20 points on it!

Islam and the arabic language spread throughout north africa in the 600s primarily through a. african traders b. american colonists c. european explorers d. middle eastern armies select the best answer from the choices provided