25p+18(p+4)
identify the terms of the expression

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?

Which of the following is the shape of a cross section of the figure shown below