01. Which answer(s) express the meaning of this PHP statement?
          $x++; 
    A. this statement is invalid 
    B. increment the value of $x by 1
    C. $x = $x + 1;
    D. skip to the next statement

02. Which answer(s) express the meaning of this PHP statement?
          $x += $y; 
    A. this statement is invalid 
    B. increment the value of $x by the value of $y 
    C. $x = $y 
    D. $x = $x + $y; 

03. Which PHP condition statement correctly checks if $x is equal to 7 and 
    less than $y?
    A. ( ($x = 7) &&  ($x < $y) ) 
    B. ( ($x == 7) &&  ($x < $y) ) 
    C. ( ($x == 7) ||  ($x < $y) ) 
    D. ( $x == 7 && < $y ) 

04. Who is/are the coolest Computer Science lecturer(s)?
    A. Derrick
    B. Alberto
    C. Austin
    D. Donna