Write a recursive rule for the following sequence 36,32,28,24

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?

Ahigh definition tv cost $800 with a down payment of 2/5 of the cost. how much is left to pay, in dollars after the down payment has been made?

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.