Are these all right?? PLS HELP IM SO DUMB AHAH.

In two or more complete sentences, determine the appropriate model for the given data and explain how you made your decision. (1,-1), (2,0.5), (5,1.5), (8,2)

What is the value of x in the equation (2)3) (x+6)= -18 a. -36 b. -33 c. -24 d. -18

Which spreadsheet would be used to compute the first nine terms of the geometric sequence a^n=32•(1/2)n-1