Write an expression testing whether the variable $name is equal to 'Sale'

Write an expression testing whether 9 is less than 8

Write an expression testing whether 7 is greater than 6

Write an expression testing whether 10 is less than or equal to 20

Write an expression testing whether the variable $abc contains the string 'love'

Write an expression testing whether the variable $def contains the string 'hash'. The test should be case sensitive.

The variable $abc contains the string 'I love hash tables'. Write an expression to display the contents of $abc but replacing 'tables' with 'browns'

Write an expression testing whether $num is NOT equal to 8.

Write an expression testing whether $a is equal to 3 AND $b is less than or equal to 5

Write an expression testing whether $a contains the string 'windows' OR $b is less than 9

Write and expression testing whether $a equal 2 or $b equals 8. Only one of these two statements may be true.