The surface area of a right circular cylinder of height 4 feet and radius r feet is given by s(r)=2πrh+2πr2. find the instantaneous rate of change of the surface area with respect to the radius, r, when r = 4. 24π 16π 64π 20π

In trapezoid bath, ah=19.7 and et=16.1. identify be.

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

Jane moves from a house with 71 square feet of closet space to an apartment with 45.44 square feet of closet space. what is the percentage decrease of jane’s closet space?