Here is the pic of it blank and of it as what i thought was right but is actually wrong

Ineed asap.i cant understand this question i need someone to me right away

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

With this question substitute t=3 and t=5 to determine if the two expressions are equivalent. 4(t + 3) 4t+12 which statements are true? check all that apply. a. the value of both expressions when t =5 is 32. b. the two expressions are not equivalent. c. the value of both expressions when t=3 is 15. d. the value of both expressions when t=5 is 23. e. the two expressions are equivalent. f. the value of both expressions when t=3 is 24.