Solve the following quadratic by using square root property. x2 + 16 = 0 A. X= 16 , x= -16

B x = 4, x= -4

C x= 4i , x= -4i

Successful implementation of a new system is based on three independent modules. module 1 works properly with probability 0.96. for modules 2 and 3, these probabilities equal 0.95 and 0.90. compute the probability that at least one of these three modules fails to work properly.

The sales tax rate is 7.25%. how much tax in dollars is added on an item that costs $56.00? a. $4.06 b. $7.25 c. $14.50 d. $60.06

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