Answer:
a is the answer hope you get it right ok good luck
In which situation would you most likely use the usted form?
Answer : B.) con profesores.
Explanation : The second formal person in Spanish is "usted", what is said to show respect to the person you are speaking. Therefore is used with older people, teachers, police, etc.
Hope this helps!
Answer:
Valor numérico de una expresión algebraica o fórmula matemática es el número que se obtiene al sustituir las letras o incógnitas por números y realizar las operaciones indicadas.
Explanation: