A model rocket is fired vertically upward from rest. Its acceleration for the first three seconds is a ( t ) = 66 t , at which time the fuel is exhausted and it becomes a freely "falling" body.

Three students each examine the system of linear equations shown. 8x + 4y = 16 8x + 2y = 8 caleb says there is exactly one solution. jeremy says there is no solution. kim says there are infinitely many solutions. which student is correct? provide mathematical reasoning to support your answer. answer in complete sentences. : d