12,1/2% of 30 = Y

What is the value of Y

Find 221 min as a percentage of 340 min

Explain why the square roots of a number is defined to be equal to that the 1/2 power?

Peter doubles it, then adds 5 to get an answer of 23.6. What was the original number?

A rectangular pool 6 meters by 4 meters is surrounded by a walkway of width x meters. At what value of x will the area of the walkway equal the area of the pool?

Judy uses 12 tiles to make a mosaic Eight of the tiles are blue what fraction in sipplest form represents the tiles that are blue.

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.