Help plzzz I have a couple to do like said before but there was one missing thing and it was this! Plz help tysm! :) have a good day! take ur time.

If i have one apple and give you the apple, how many apples do i have?

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years

What is the explicit rule for the sequence in simplified form? −1,−4,−7,−10,−13… an=4−5n an=−4−3n an=2−3n an=−6−5n