Aradioactive material has a half life of 18.4 days. how much time is needed for a 50 mg sample to decay to 12.5 mg?

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10

The first side of a triangle measures 5 in less than the second side, the third side is 3 in more than the first side, and the perimeter is 17 in. how long is the third side? if s represents the length of the second side, which of the following represents the length of the third side? s-5 ws-2 s+ 3 next question ask for turn it in

Evaluate the function , when d = {9, 15, 30}. r = {5, 7, 12} r = {6, 10, 15} r = {6, 10, 20} r = {5, 12, 20}