Enter the value of a and b that complete the sum: 3/x + 5/x^2 = ax+b/x^2

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

How can you tell when x and y are not directly proportional?

Do,h = (7, 9) (14, 18) the scale factor is