18. What is the result after simplifying Vx?? ax b.ro c. XV 19. What is the result after simplifying ? 16 a. C. a x?? b. mm d. Cannot be determined 20. Which of the following is true about "V2206157 b. Vx2b3 c. Vx²23 db V² 21. Which of the following is NOT TRUE about V873? a. Its exponential notation is (8-37%. c. It is equivalent to v 8r3 b. Its exponential notation is (873) d. Its simplified form isv2r. 22. Simplify the quotient of V21 b. c. d. 23. Which are similar radicals? 1 5/2x, -√2x II. 3y, V3y, V8y II. -V2.18 18 C.