Which recursive sequence would produce the sequence 1,−5,19,...?

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

Average acceleration: i have no idea how to do this.

What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-2)