Đề thi Olympic Tiếng Anh lớp 9 vòng 3 năm 2013 - 2014

The Johnsons were going to a family wedding and drove a total of 1,244 miles to reach their cousin's house. They spent 9 hours driving the first day at an average speed of 60 miles per hour. They reached their cousin's house on the second day after driving 11 hours. What was their average speed on the second day?

The bar graph shows the number of customers in Rio's restaurant each day last week. What is the approximate mean number of customers per day in Rio's restaurant last week?

Mitchell is planting tulip bulbs in a rectangular planter with the dimensions shown. Mitchell plans to fill 3/4 of the planter with soil. How much soil will Mitchell need?

When a car travels at a constant rate, distance varies directly with time. Which graph could represent the distance as a function of time?

A town census was conducted every year for the past 10 years. The scatterplot shows the results of the census. If the linear trend continues, which prediction is supported by the data?

An apartment building enclosed a square area for recycling containers. The length of each side of the square was 6 feet. Next year the square area will be enlarged by increasing the length of each side to 12 feet. How many times greater will the enclosed area be?

Which is the prime factorization of (abc)(acd)(bc)?

The data above shows the number of points Marie's basketball team scored in 10 games. Which frequency distribution table shows the scores?

A school has 1,200 concert tickets for sale. Some of the tickets are for reserved seats (r), and the rest are for general admission (g). At most, 500 reserved-seat tickets can be sold. Which pair of inequalities models the number of tickets that can be sold?

Population data for Ohio is provided in the table. Based on the data, what is the probability, rounded to the nearest ten thousandth, that a male selected at random in Ohio in 1998 would have been Hispanic?