What is the sum of the geometric series

The 2 in 324 is worth ten times the value of the 2 in 542

The scale drawing of a storage room measures 3 inches by 7 inches. A scale factor of 20 is used to create the storage room. What are the dimensions of the actual storage room?

Write three fractions that are not greater than 1/2. Explain how you determine your fractions.

A certain type of bacteria increases continuously at a rate proportional to the number present. if there are 500 present at a given time and 1,000 present 2 hours later, how many hours (from the initial given time) will it take for the numbers to be

Troy's mom sets up a bank account for him with some money in it. Each month, Troy receives a set allowance, which is deposited into his bank account, for doing chores.

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.