Aballoon seller has 4 green balloons, 3 yellow balloons, and 9 silver balloons. roy buys a green balloon. then you buy a balloon at random. what is the probability that you have purchased another green balloon? (type as fraction)

Two fire-lookout stations are 190 miles apart, with station a directly south of station b. both stations spot a fire. the bearing of the fire from station a is upper n 55 degrees upper e and the bearing of the fire from station b is upper s 60 degrees e. how far, to the nearest tenth of a mile, is the fire from each lookout station?

During a wright loss challenge your friend goes from 125 pounds to 100 pounds. what was the percent weight loss

Which equation represents h for right triangle abc