Situation:
find the ag
a farmer in china discovers a mammal
hide 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

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Fiona races bmx around a circular dirt course. if the radius of the course is 70 meters, what is the total distance fiona covers in two laps of the race? a. about 30,772 meters b. about 15,386 meters c. about 879.2 meters d. about 439.6 meters e. about 219.8 meters23 points hurry

Which are factor pairs of 350? choose all answers that are correct. a) 30 and 12 b) 35 and 10 c) 70 and 5 d) 2 and 125