In a department store a $40 dress is marked save 25% what is the discount? what is the sale price of the dress?

Is it true that product of 3 consecutive natural numbers is always divisible by 6? justifyyour answer

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

Apool measures 100 meters by 100 meters a toddler inside the pool and trows a ball 60 centimeters from one edge of the pool. how far is the ball from the opposite edge of the pool