the diameter of a tree varies directly with its age. A 15-year old tree has a 3.75 in diameter. How old will the tree be when it has a 20 in diameter?

You are constructing a histogram for scores that range from 70 to 100 in whole points. frequencies range from 3 to 10; that is, every whole-point score between 60 and 100 occurs at least 3 times, and at least one score occurs 10 times. which of these would probably be the best range and size for the score intervals along the x-axis?

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

When y’all answer can y’all explain too !