1. The product of a and -5 *

2. The sum of twice x and y *

3. x cubed *

4. The quotient of 2r and s *

5. 25 squared *

6. A number increased by 12 *

7. Seven times a number *

8. Twice the cube of a number

9. One-half the square of a number *

10. Six times the number decreased by 8 *​