Multiple plots on a graph

How to make the plot below:

ggplot(mtcars,aes(factor(cyl),mpg)) + geom_boxplot() +

Which line of code will change the names of the facets? Look in the documentation of facet_grid() and try the code yourself to solve this. 

test <- c(“0″=”auto”,”1″=”man”)
ggplot(mtcars,aes(factor(cyl),mpg)) + geom_boxplot() +

How to create the figure below? Look at the example section of the documentation of ggarrange(). 

library(ggpubr)
p1 <- ggplot(mtcars,aes(wt,mpg,color=factor(cyl))) + geom_point(shape=1) +
   scale_color_manual(values=c(“black”,”red”,”blue”))

p2 <- ggplot(mtcars,aes(factor(cyl),mpg)) + stat_summary(fun=mean,geom=”bar”) +
   stat_summary(fun.data=mean_cl_normal,geom=”errorbar”,width=0.25) + geom_point() + coord_flip()

Same plots as in the previous question but this time you want to plot them next to each other. How to do that? 

Which of the following lines of code will add labels to the plot? The plot at the top should be A and the plot at the bottom should be B.
Look at the documentation of ggarrange() to solve this. 

To increase the white space between plots, you have to cheat by inserting a small empty figure in between the plots. 
What is the correct code to do so?

Which function should I use to remove vertical grid lines from one of the plots?