While sailing on lake erie, captain sherman spots the top of a lighthouse at a 15 degrees angle of elevation. a navigation chart shows the height of the lighthouse to he 220 ft. how far is the boat from the base of the lighthouse?

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

The boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a) e = 2b - 212 b) b = 2e - 212 c) e = -2b + 212 d) b = -2e + 212

Awasher and a dryer cost $701 combined. the washer costs $51 more than the dryer. what is the cost of the dryer?