Want code and explanation. Load the Motor Trend Car Road Tests using data$($mtcars$),$ and answer the following questions using logical

operators. You can answer this question either using base R code or the tidyverse.

Output rows where the mpg column is greater than $15$ and less than $20.$

Output rows where cyl is equal to $6$ and am is not $0.$

Output rows where either gear or carb has the value $4.$

Change all values that are $0$ in am to $2.$