Least common multiple for 8,12, and24

18-5y=y+4 what are the steps?

Angelica solves the system { x + y = - 3. x - y = 1 } and finds the solution (1, 3). Use substitution to explain whether Angelica's solution is correct.

The radio station manager will reward a free stereo to a contest winner. There are 20 black stereos, 15 white stereos, 10 red stereos, and 5 silver stereos to chose from.

The temperature of a freezer started at 18 degrees celsius. After cooling for a few hours, the freezer had a temperature of - 12 degrees celsius. What is the difference between the new and colder temperature of the original temperature

You can fly from Seattle to Boise for $137.50, from Boise to Witchita for $92.50 and from Witchita to Austin for $162.50. Use mental math to find the total cost of the flight from Seattle to Austin.

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.