Hello, please help me with this math problem! What is the function rule to describe this sequence:

27, 9, 3, 1,

Find the equation using the point (4,8)

Negative 5 1/12 + negative 4 1/4 + 6 3/4

Fa bus driver leaves her first stop by 7: 00 a.m., her route will take less than 37 minutes. if she leaves after 7: 00 a.m., she estimates that the same route will take no less than 42 minutes. which inequality represents the time it takes to drive the route, r?