Đề thi Olympic Tiếng Anh lớp 11 vòng 4 năm 2013 - 2014

The video of the movie Star Wars earned $193,500,000 in rental fees during its first year. Expressed in scientific notation, the number of dollars earned is

- At the first stop, several passengers(p) got on the empty bus.
- At the second stop, the number of passengers doubled when more people got on.
- At the third stop, 3 passengers got off the bus and no passengers got off.
- At the fourth stop, 2 passengers got on the bus and no passengers got off.

Mike kept track of the number of passengers on his bus, noticing the above. Which expression represents the number of passengers on the bus after the fourth stop?

Sara is building a triangular pen for her pet rabbit. If two of the sides measure 8 feet and 15 feet, the length of the third side could be

Triangle JKE is an obtuse isosceles triangle with m∠E = 10° and KE > JK. What is the measure of ∠J?

Which letter demonstrates line symmetry but not point symmetry?

A system of equations is given aboev. What is the solution to this system of equations?

The number of people on the school board is represented by x. Two subcommittees with an equal number of members are formed, one with (2/3)x - 5 members and the other with x/4members. How many people are on the school board?

The graph shows average monthly precipitation data for Spokane, Washington and Bakersfield, California. Which statement about the data shown is true?

The letters on the number line below represent rational numbers. The approximate value of √15 is represented by the letter?

Which construction represents the center of a circle that is inscribed in a triangle?