If the edge of a cube is 9 in and the edge of the second cube is 7 in, the difference in the volumes of these cubes is what amount?

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?

The letters g e o r g i a are placed in a bag . if you picked a card and knew it was a vowel , what is the probability that it is an a ?