Debra bought 4 cds that were each the same price. including sales tax, she paid a total of $ 61.60 . each cd had a tax of $ 0.90 . what was the price of each cd before tax?

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.

Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?