3.4 - 2.8d + 2.8d - 1.8

Passengers usually start to board their flights 1 hour before the scheduled take off time. the gate will be closed 15 minutes before the takeoff time. jack’s plane is scheduled to take off at 12: 05 a.m. if he arrives at the gate at 11: 45 p.m., can he board the flight?

What is the probability of rolling a single die greater than 4

What is the prime factorization of 23 ?me with this question