8. Persevere with Problems A company logo has four concentric circles Suppose you graph the points (diameter, circumference) and
connect them with a line. In terms of pi (nt), what is the slope of the
resulting line?

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?

Me. i can't figure out this question. give an explanation too. .

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.)