Enter the code in the mosaic

Enter the code in the mosaic

How to draw this plot?

(fill in the blank)

ggplot(data=mpg)+

_________(mapping=aes(x=displ,y=hwy))

How to draw this plot? (fill in the blacnk)

ggplot(data=mpg)+

geom_point(aes(x=displ,y=hwy,_____=class))

How to make these plots?(fill in the blank)

ggplot(data=mpg,aes(x=displ,y=hwy))+

geom_point()+

facet_wrap(class~.,____=2)

How to draw this plot? (fill in the blank)

ggplot(data=mpg,aes(x=displ,y=hwy))+

geom_point(aes(color=drv))+

geom_smooth(aes(________=drv), se=FALSE)

How to draw this plot? (fill in the blank)

ggplot(data=diamonds,aes(x=cut))+

geom_bar(fill=NA, aes(color=clarity), position='_____')

How to draw this plot? (fill in the blank)

ggplot(mpg,aes(displ,hwy))+

geom_[______]()