2. Simplify: 2x - {3y - [5x-(7y-6x)]}.

3. The total amount due of P 20,000 which has been invested for five years at 10% annual interest is ____________.

4. Skyway Company manufactures tables and chairs. In its catalogue, a round table is priced at P6,000.00 less a 15%. What will Katherine have to pay for the round table?

5. Simplify: x-3y (x-8y) - (-6x+7y)

6. The least common multiple of 8, 6, and 3 is ___________.

7. A 10-meter board leans against the wall. The foot of the board is 8 meters from the wall. How far up the wall does the board each? 

8. A = 3x + 2y + 6xy simplified is ___________.

9. Karlo had an average of 70% in his first two tests and an average of 80% in his next three tests. The average for his five tests is __________.

10. Mr. Buena ordered merchandise listed at P 15,000.00; the invoice showed the net price of P 12, 750.00. Find the discount rate.

11. Bernadette’s aquarium has length, width and height of 10cm, 8cm and 6cm, respectively: Its volume is ___________.

12. The least common multiple of 5, 2, and 7 is ______________.

13. What is the amount due on P 8, 000.00 after adding the annual interest of 9%?

14. Mark's aquarium has length, width and height of 10cm, 8cm and 6cm, respectively. The volume of the aquarium is ______________.

15. Which among the following is not a prime number?

16. Perform the indicated operations and reduce the result to simplest form

3x3 x 5y4y2 x x2

17. Perform the operation and reduce to simplest form:
3x - (2y - 4x) + 6y

18. Ms. Sanchez weighed 62 kg. She lost 3kg. on her first week of exercise, gained 4kg. in her second week, lost 5kg. in the third week and retained her weight during the fourth week. What was her weight in the fourth week in kg?

19. Simplify: 8xy + 2y^2 + 2xy - y^2 + 4y^3 + 3y^2

20. A ladder 50 feet long is placed between the ground and a vertical wall. The lower end of the ladder forms an angle of 300 with the ground. Find the distance of the upper end of the ladder from the ground.

21. In a Senior High School Class composed of 40 students, 16 chose to take the ABM track, and the rest selected the STEM track. The total who selected STEM was ______________.

22. The standard football fields are 100 meters from goal line to goal line. If it is 360 meters around a football field, how wide is the field?

23. What is the exponent in the expression 13x2 + y?

24. The prime factors of 56 are ______________.

25. The greatest common divisor of 24, 18, and 3 is ______________.

26. Elizabeth weighed 70 kg before exercising. She lost 4kg in her first week, gained 5 kg in the second week, lost 6 kg in the third week and retained her weight during the fourth week which was _______.

27. Interest at 8% after 3 months on P 6,000.00

28. The sum of two consecutive even numbers is 102. The numbers are ______________.

29. The equation of the line with equal coordinates is ______________.

30. Perform the indicated operation and reduce the result to simplest form: 

(40x2y24xy4)(27xy8x2y3)