0.02 repeating as a fraction

Tell whether the sequence is arithmetic. If it is, what is the common difference? 19, 12, 5, - 2

S = 1/4 unit a = 80s2 what is the value of a in square units

Amy, jean, keith, tom, susan, and dave have all been invited to a birthday party. they arrive randomly and each person arrives at a different time.

289 miles on 10 gallons, whats the unit rate

Is 0.002475 rational or irrational?

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.