(3x + 8) (5x – 20)°
(5x + 4y)°

Find the value of each variable.

Answer choices
Ox= 14, y = 15
Ox= 14, y=-5
x= 24, y =-10
x= 24, y=-5

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