1. What is 7 * (8 + 4) - 5?

2. What is 25% of 120?

3. If 3x + 5 = 20, what is the value of x?

4. What is 3/4 + 1/8?

5. A rectangle has a length of 9 cm and a width of 6 cm. What is its area?

6. If a car travels at 60 miles per hour, how long will it take to travel 150 miles?

7. What is 0.75 multiplied by 4?

8. What is the value of 5³ (5 cubed)?

9. What is the square root of 81?

10. What number comes next in the sequence: 5, 10, 15, 20, ___?

11. If you flip a coin, what is the probability of it landing on heads?

12. Arrange the following from smallest to largest: 0.5, 1/4, 0.75, 1/10.

13. If the ratio of boys to girls in a class is 2:3, and there are 10 boys, how many girls are there?

14. What is -8 - (-4)?

15. What is the average of 10, 15, and 20?

16. A square has sides of 5 inches. What is its perimeter?

17. What is 252 divided by 6?

18. What is 1/3 of 90?

19. Evaluate: (5 + 3) * 2 - 1

20. What is 12 + 18 + 5?