0.240 seconds has how many significant figures

How do you find the slope of parallel lines?

The container that holds the water for the football team is 2/3 full. after pouring out 4 gallons of water, it is 4/9 full. how many gallons can the container hold?

In a class of 30 students, 3/5 are girls. how many are girls?

2 times 2 2nd power times 2 2nd power

If 24 is subtracted from three times a certain number, the result is 3/2 the original number. what is the number?

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.