Anyone here who can help me with this?

D. 16 years old

Step-by-step explanation:

Step 1: Let T be Tien's age and J as Jordan's age (today),

Step 2: Let T be Tien's age and J as Jordan's age (in 2 years),

Step 3: As their age differences will always be similar we can have the two equations above equal to find Jordan's age,

7. d. 64

8. i. 32

9. c. 125

10. j. none of the above

11. d. 81

12. i. 216

13. e. none of the above

14. g. 240

15. e. none of the above

16. g. 32

17.   e. none of the above

the expression (1.26)2t reveals the approximate rate of increases in the number of plants semiannually.

hope this : )