The faces of a 12-sided die are numbered 1 to 12. What is the probability of rolling 9 at least twice in 10 tries? (grade 12 data management)
i'm in the middle of this math test and i'm not even on this unit

The first floor of marcus’ house is 1,440 square feet. he will cover 1,033 square feet with wood and the rest with tile. a box of tiles will cover 11 square feet. how many boxes of tile does marcus need to buy to cover the floor?

Identify this conic section. x2 - y2 = 16 o line circle ellipse parabola hyperbola

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?