Describe the types of situation when the slope formula is more helpful than counting "rise over run" ill give the brainiest!

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.)

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?