A tank full of water is leaking at a constant rate for 15 minutes. The equation is y = -8 + 500 describes the amount of water in the tank, where y is the number if liters and x is the number of minutes that has elapsed since the tank started leak. Which statment is true?

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