Which real-world image represents a negative slope?

Determine the volume of a cylinder bucket if the diameter is 8.5 in. and the height is 11.5 in.

What is the number 321,000,000 in scientific notation? also what is the number? ?

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)