The fraction just messed me up a bit

What is the exact volume of the cylinder 1.5 m 2.5 m

The table represents a linear function. what is the slope of the function? –6 –4 4 6

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