PLEASE HELP WITH TRIG PROBLEM

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days

Given a: b and b: c, find a: b: c. write the ratio in simplest form. a: b=6: 10 and b: c=21: 33

Solve the system of equations using the linear combination method. {4x−3y=127x−3y=3 enter your answers in the boxes.