Anya rolls an octahedron labelled A, A, A,B, C,C, C,C. What is the theoretical probability that the octahedron will land on each letter?

2x + 1 < 5 solve the following inequality. then place the correct number in the box provided.

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.