Write 225,120,000 in scientific notation

A value 5 times a smaller number is 1 less than a larger number. their difference is 73

Jamal is making blueberry muffins. He has 6 3/4 cups of batter, but he needs a total of 12 cups. How much more batter does Jamal need?

Anya graphed the line (y-2) = 3 (x-1) on the coordinate grid. What is the slope of Anya's line? -3 -1 5 4 -3 - 2 - 1, 25-

How many of each object could you glaze so that there is no glaze left over

An electrician charges $45 per hour plus a fixed charge of $30

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.