In a geometry class, the ratio of rulers to compasses among students is 2:1. Which of the following best describes the number of rulers and compasses among the students?

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.