If x-y=4 and z = 6x-5-6y, then z=?
A.) -1
B.) 1
C.) 19
D.) 24
E.) 29

And employee salary increased by $4500 which represents a 15% raise what is the rate of the increase

At a sand and gravel plant, sand is falling off a conveyor and onto a conical pile at a rate of 16 cubic feet per minute. the diameter of the base of the cone is approximately three times the altitude. at what rate is the height of the pile changing when the pile is 12 feet high? (hint: the formula for the volume of a cone is v = 1 3 πr2h.)

Find the smallest number by which the given number should be divided to make a perfect cube(with steps or the answer will get reported) a.108 b.2187