William has a 262626-liter glass tank. First, he wants to put some marbles in it, all of the same volume. Then, he wants to fill the tank with water until it's completely full. If he uses 858585 marbles, he will have to add 20.920.920, point, 9 liters of water. What is the volume of each marble? liters How much water is necessary if William uses 200200200 marbles? liters

Describe a situation that you could represent with the inequality x< 17

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables

Aa at 9 a.m. it at 4 p.m. he a of $28.84.?