Segun la grafica y teniendo en cuenta el area de la figura el valor de b2 es por favor es para hoy gracias

Need this asap if anyone can i would be very grateful. if you could show workings that would really

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?