I NEED HELP ASAP ONLY QUESTION A PLEASE AND THANKS

Use set builder notation to represent the following set: { -3, -2, -1, 0}

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account

Situation: an archaelogist in turkey discovers a spear head that contains 54% of its original amount of c-14. n = noekt no = inital amount of c-14 (at time t = 0) n = amount of c-14 at time t k = 0.0001 t = time, in years find the age of the spear head to the nearest year