Shawna rented a bike from arjuns bikes. It cost 14$ plus 3$ per hours. If shawna paid 32$ then she rented a bike for how many hours?

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan for ?

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?