60 customers/hr arrive randomly and randomly join one of 6 unpooled queues. Each of the six employees can handle exactly 15 customer requests/hr (i. e., no variability). What percentage reduction in waiting time does pooling of all six queues into one queue offer

answer:  

123455421

step-by-step explanation: easy

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a

step-by-step explanation:

two pairs of adjacent sides are of equal length. this implies that one diagonal divides the kite into congruent triangles, and so the angles between the two pairs of equal sides are equal in measure. it also implies that the diagonals are perpendicular.