Select the cone(s) that are similar to a cone with a height of 9 meters and a radius of 3 meters.

1 cone with a height of 15 meters and a radius of 6 meters

2 cone with a height of 12 meters and a radius of 4 meters

3 cone with a height of 6 meters and a radius of 3 meters

4 cone with a height of 3 meters and a radius of 1 meter

Can u guys do this ratio question. this is extremely urgent a tap is leaking water at a rage of 1l every 8 hours. how long will it take for the tap to leak a total of 300ml?

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

Suppose that 3% of all athletes are using the endurance-enhancing hormone epo (you should be able to simply compute the percentage of all athletes that are not using epo). for our purposes, a “positive” test result is one that indicates presence of epo in an athlete’s bloodstream. the probability of a positive result, given the presence of epo is .99. the probability of a negative result, when epo is not present, is .90. what is the probability that a randomly selected athlete tests positive for epo? 0.0297