How to write 430,290,100 in expanded form

One number is 6 more than another. The difference between their squares is 84. What are the numbers?

16 gallons of orange juice was drunk. how many pints are in a gallons?

Is 2.97 greater than 2.714

If 2 books cost 30 cents, how much will 6 books cost? 50 cents 60 cents 70 cents 80 cents 90 cents

Half of a number minus seven is one and five-tenths

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.