What is the zero turn for the arithmetic sequence 128,96,64,32

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

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?