Abattery was charged. when the changing began, it was 23 percent full. after 30 minutes of charging, the battery was 89 percent full? how long did it take to fully charge in minutes?

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.

Which system of linear inequalities is represented by the graph?

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest