The instruction booklet for a cd player says that the player uses about 0.2 kilowatt of electricity per hour. if electricity costs $0.30 per kilowatt hour, how much does it cost to run the player for an hour?

The function models the number of accidents per 50 million miles driven as a function

Ibeg you to me 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?

The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. the support post is 8 ft tall. the distance from the front of the house to the support post is less than the distance from the post to the back of the house. how far from the front of the house is the support post positioned?