How do you change a rational number to a decimal

A person is watching a boat from the top of a lighthouse. The boat is approaching the lighthouse directly. When first noticed, the angle of depression to the boat is 16°23'. When the boat stops, the angle of depression is 49°29'.

A teacher has a 2 gallon container of juice she gives each student a half a cup of juice which equation represents the amount of juice that remains why after ex students are served

To find 50% of a number, divide the number by

A submarine is at 400 feet below sea level. If it ascends 150 feet and then descends 320 feet, how far is it above or below sea level?

6. A wire Il om long has a mass of 187 g. What is the mass of 7 cm of this wire? Step by step explansion

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.