How did i get 18 points who wants 18 points and i will give you brainlest

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex

Can someone me with this graph problem by the way i need to know the answers by today since this assignment is due ! !

Will mark brainliest for correct answer! i have been on this problem for an hour and can't find the answer. i'm begging here! incase you cant read the instructions in the picture because of too much or too little lighting: note: enter your answer and show all the steps that you use to solve this problem in the space provided.write a list of steps that are needed to find the measure of b. provide all steps as clear as possible, !