Robin donated bags of grain that each weighed 40/3 pounds to the local food shelf. If the total weight of the grain was 160 pounds, how many bags of grain did Robin donate? A. 4
B. 6
C. 8
D. 12

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

Using elimination, what is -4x+2y=-12 4x+8y=-24

Which statement explains the relationship between corresponding terms in the table?