To solve this system of equations Ayana isolated y in the first equation and then substituted for y in the second equation. What was the result? 2y = 4x
X2 + y = 3

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