Alighthouse is 90 feet above sea level. the angle of depression from the top of the lighthouse to the center of the rock is 35 degrees, and the angle of depression to the swimmer is 45 degrees. find the distance between the center of the rock and the swimmer.

Statement: if two points are given, then exactly one line can be drawn through those two points. which geometry term does the statement represent? defined term postulate theorem undefined term

During your cycling trip, you and your friends often stayed in hostels. the prices of these are listed below. hostel standard room (price per night) with breakfast (price per night) super sleep hostels £22.45 £28.65 normandy nights £18.55 £25 zzzola hostels £24.50 £30.99 belgian beds £11.20 £18.55 night-time rest days ? £33 what is the range in cost for a single night, including both standard room prices and with breakfast prices?

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers