Explain how to find 20 : 4 by making an array.

What is 482 times 54 equals?

Chemical A freezes at lower than Chemical B. If Chemical A freezes at at what temperature does Chemical B freeze? Let b = B's freezing temperature.

Solve for x if y = - 10 y = x + 12

Write an algebraic expression for the following problems. Susan weighs 4.5 times as much as her sister. How much does Susan weigh?

Students spent d 2/10 of time reading and 7/10 of time. doing an experiment. They spend rest of time cleaning up. What fraction of class time is spent cleaning up? A 9/10 B 5/10 C 9/20 D 1/10

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.