Sitting in your sailboat looking at the horizon, you see a lighthouse 500 feet away. looking up at a , you see the light at the top of the lighthouse. how far off the ground is the light in the lighthouse? round your answer to the nearest tenth.

You’re ordering more thread for blue jeans co. you usually purchase from ted’s threads, which sells 12 thread spools for $27. you recently received a notice from wade's wares that says you can buy thread from them for $2.30 each for the first 2 dozen and $2 a spool thereafter. you need to order 5 dozen spools. what percentage can you save by going with wade’s wares?