Which of these sequences are geometric sequences? Select all that apply.

А: 2, 4, 8, 16, 32, 64, 128...
B: 100,-50, 25, -12.5, 6.25,-3.125, 1.5625, -0.78125...
C: 3, 6, 9, 12, 15, 18, 21...
D: 1, 1, 2, 3, 5, 8, 11...

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?