Find the value of each of the four remaining trigonometric functions

In which figure is de bc ? a. figure 1 b. figure 2 c. figure 3 d. figure 4

What point is the projection of q on a) r b) s c) t

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