Progress and Origins

Across

1. Without any resistance or competition

4. Speed up the process quickly

7. Greek letter used in angles

8. Come out into view suddenly

10. Japanese dish with vinegared rice

11. Capable of being quantified or assessed

Down

2. One who came before in office

3. Quantity with magnitude but no direction

5. Early human living in prehistoric times

6. Bold project or business venture

9. Trigonometric function opposite over hypotenuse