11. Solve for y: 3y – 15 = 6
A. 3
B. 5
C. 4
D. 7
12. What is the sum of the interior angles of a triangle?
A. 180 degrees
B. 90 degrees
C. 180 degrees
D. 360 degrees
13. If x = 6 and y = 3, what is the value of x – y?
A. 2
B. 3
C. 3
D. 4
14. What is the result of 15 divided by 3?
A. 4
B. 6
C. 5
D. 5
15. If a square has a side length of 10 units, what is its perimeter?
A. 30 units
B. 40 units
C. 50 units
D. 60 units
16. Solve for x: 2x + 7 = 15
A. 4
B. 4
C. 5
D. 6
17. What is the volume of a cube with side length 3 units?
A. 9 cubic units
B. 27 cubic units
C. 18 cubic units
D. 36 cubic units
18. If a rectangle has length 12 units and width 8 units, what is its area?
A. 80 square units
B. 96 square units
C. 96 square units
D. 100 square units
19. What is the value of 2 raised to the power of 4?
A. 8
B. 12
C. 16
D. 16
20. If the sum of two angles is 90 degrees, what type of angles are they?
A. Acute angles
B. Complementary angles
C. Obtuse angles
D. Right angles
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