Steve Fossett completed the first solo balloon circumnavigation of the world after 13.5 days. Assuming the balloon travelled along a circle of diameter 12 750 km, roughly what was the average speed of the balloon in km/h? A) 12
B) 40
C) 75
D) 120
E) 300

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?

You're locked out of your house. the only open window is on the second floor, 25 feet above the ground. there are bushes along the edge of the house, so you will need to place the ladder 10 feet from the house. what length ladder do you need to reach the window?

Given δjkl : δxyz, find x. a)10 b)12 c)16 d)20