The letters a, b, c, d, e, and f are written on six different ping pong balls and put into a bag. the letters h, i, j, and k are written on another four different ping pong balls and put into a second bag. then the letters o, p, q, r, s, t, and u are written on another seven different ping pong balls and put into a third bag. if one ping pong ball is randomly selected from each of the three bags, what is the probability that at least one vowel (a, e, i, o, u) is selected?

Which description is represented by a discrete graph? kiley bought a platter for $19 and several matching bowls that were $8 each. what is the total cost before tax? the temperature at 9 a. m. was 83° f and is heating up at an average rate of 6°f per hour. what is the temperature x hours later? juan ate an egg with 78 calories and some cereal with 110 calories per serving for breakfast. what is the total amount of calories he consumed? a bottle contained 2,000 ml of liquid and is being poured out at an average rate of 300 ml per second. how much liquid is left in the bottle after x seconds?