Find each rate and unit rate 420 miles in 7 hours

Solve - 7=squared2x-9

Lincoln spent 1 1/4 hours reading a book. Phoebe spent 3 times as much time as Lincoln reading a book. How much time did phoebe spend reading?

For a scientific experiment, a physicist must make sure that the temperature of a metal does not get colder than - 75°C or the metal will not be usable. The physicist changes the metal's temperature at a steady rate of - 5°C per hour.

Work out the value of 4^0 x 16^0

Rickey has 7 over 8 cup of cereal in a bowl. he then gave two 1 over 4 cups of cereal from his bowl to his little sister.

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.