Joan is writing a Java program to check student registrations. To be registered, a student must have paid tuition and selected classes. Two boolean variables provide this information and are populated later in the program. Here are the variable declarations: boolean paidtuition; boolean selectedClasses; To be registered, both variables must be true. Which condition below should Joan use to find registered students? (paidTuition && selectedClasses) (!paidTuition && !selectedClasses ) ( paidTuition + selectedClasses ) (paidTuition I| selectedClasses) Leo is developing a software thermometer. One feature of the app is to display an indicator when the temperature reaches the boiling point. Which selection statement is the best choice for this programming logic? SWITCH IF-THEN-ELSE TERNARY IF-THEN Consider the following code snippet: if (!(abc)&&(x&&y&&z)){ System.out.println("YES"); \} If a,b, and c are all true, which statement below is correct? "YES" is displayed when at least one of x,y, and z is true "YES" is displayed when x,y, and z are all false "YES" is never displayed "YES" is displayed when x,y, and z are all true