Does anyone how to simplify the ratio 4:22:30

Tom and Jerry went out for dinner. They ordered a nice meal and their bill was $300. They also paid 15% tax on there bill. What was the amount of the tax they paid?

The inequality x ≥ - 10 represents the possible values for x on a number line. Which is NOT a possible value for x?

How many 3.15 pound containers can you make with 37.8 pounds of raisins?

17/6 as a mixed number

Sheila leaves on a long trip driving at a steady rate for 30 miles per hour. Her sister Allison leaves from the same location traveling to the same destination 2 hours later. She drives at a steady rate of 60 miles per hour.

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.