The scores on a university exam are normally distributed with a mean of 67 and a standard deviation of 13. If the bottom 5% of students will fail the course, what is the lowest mark a student can have and still pass the course?

The speed of a falling object increases at a constant rate as time increases since the object was dropped. which graph could represent the relationship betweent time in seconds, and s, speed in meters per second? speed of a falling object object over time

We just started the introduction into circles and i have no idea how to do this.

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?