Please help! It's grade 12 college math. Please show work. Thanks soo much!

12. Write (-216) in radical form. Then evaluate. [2 marks] 13. Given the population equation P= 25000(1.08)' identify the initial Initial Pop: population and state if it is a growth or decay equation. [2 marks] Growth/Decay: 14. Evaluate x to the nearest degree if ton x = 0.258 [2 mark] 15. Solve 4*17 =16* [3 marks] 2x 2 yb 16. Evaluate 2x + )' when x = 3 and y = 2 [2 marks] 17. Simplify (2x ")") . Ensure all exponents are positive [2 marks] 18. Rearrange the equation A to isolate for s. [3 marks] 19. Which graphical model (linear, quadratic or exponential) best fits this data? Show how you determined this. [3 marks] 15 87 20 116