111 is 25/%25%25, percent of what number?

There were 324 adults surveyed. Among the participants, the mean number of hours of sleep each night was 7.5 and the standard deviation was 1.6. The margin of error, assuming a 95% confidence level, is approximately. Round to the nearest hundredth

Suppose f (x) = x^3. Find the graph of f (2/3x)

The perimeter of a square is 36. What is the length of a side of the square? The length of the diagonal?

During the 2011 season, a quarterback passed for 302 yards per game. he played 16 games how many total yards did he have?

How many different ways could eight students sit in a semicircle to watch an experiment? 40,320 5,040 8

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.