The number of ‘standard drinks’ in various glasses of wine is shown.
The following is the graph of a relationship between two quantities x and y.
A wildlife officer wishes to determine the number of rabbits on an island. He catches and tags 40 rabbits and releases them. One week later he catches a second sample of 60 rabbits and finds that 8 of them are tagged. Which of the following is the best estimate for the rabbit population of the island?
The area of the triangle shown is 250 cm^2.
The box-and-whisker plot shows the distribution of the ages of children in Algebraville in 2002 and 2012.
The square ABCD has a perimeter of 36 cm.
Brady has 16 GB of data storage space available on his computer. Approximately how many files of average size of 7.2 MB can he store?
A sample of three players is to be taken from a football team of eleven players. How many samples are possible?
Researchers have found a correlation between the lengths of the legs of puppies and their running speed.
The weights of 10 000 newborn babies in NSW are normally distributed. These weights have a mean of 3.1 kg and a standard deviation of 0.35 kg. How many of these newborn babies have a weight between 2.75 kg and 4.15 kg?
The following information is given about the location of three towns X ,Y and Z :
A camera costs $449, including 12% GST. What is the price of the camera without GST, correct to the nearest dollar?
Which of the following represents the correct solution to this pair of simultaneous equations?
Katherine is a childcare worker who earns $640.00 per week. She receives a pay increase of 4% but then decides to reduce the number of hours she works each week. The reduced hours resulted in a decrease of 9% in her weekly pay. How much is she paid per week after the reduction of hours?