9. Luisa began walking up a hill at a spot where the elevation is 0.9 km. After she walked 3 km, she saw a sign giving the elevation as 0.95 km. How far will she have walked when she
reaches and elevation of 1.1 km?

An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. what is the probability you will roll a brown on your next toss of the die? express your answer as a simplified fraction or a decimal rounded to four decimal places.

Factor the polynomial by its greatest common monomial factor.

What is the radius of the cone in the diagram? round your answer to the nearest whole number