Q1 What is R?

R is the engine that runs the code

Q2 What is RStudio?

RStudio is an interface that helps make R easier to learn and use

Q3 What is R packages?

R packages are any downloadable content that helps to simplify a process or procceses on R

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This is my answer.

Q4 Add code

summary(cars)
##      speed           dist       
##  Min.   : 4.0   Min.   :  2.00  
##  1st Qu.:12.0   1st Qu.: 26.00  
##  Median :15.0   Median : 36.00  
##  Mean   :15.4   Mean   : 42.98  
##  3rd Qu.:19.0   3rd Qu.: 56.00  
##  Max.   :25.0   Max.   :120.00