If log, x =-3, then x is equal to 1) 9 2) -6 3)1/8 4) -8

Which statements regarding efg are true? check all that apply.

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

X+y=-4 x-y=2 use elimination with adding and subtraction