Answer:
(a)
>install.packages("air4")
>library(air4)
>attach(UN11)
>plot(ppgdp, fertility)
Check attachments for the plots
Answer:
<u>A: Congruent</u>
Step-by-step explanation:
Answer:
any picture or more writing????
Step-by-step explanation:
That's a <em>rhombus</em>. If it has one interior right angle, then
it's a special case of rhombus known as a "square".