If 42.8 kg is divided into two parts, in a ratio of 7/2, how many kg is the smaller share?
A. 9.51 kg
B. 12.22 kg
C. 0.856 kg
D. 21.4 kg
Express 2/7 as a decimal, with the answer correct to 2 decimal places.
A. 0.285
B. 0.29
C. 3.5
D. 0.3
A teacher has a rectangular piece of paper which is 52 cm long and 38 cm wide. She cuts the paper into squares, each measuring 5 cm by 5 cm.
What is the largest number of whole squares she cuts?
A. 79.04
B. 70
C. 25
D. 79
Sebastian purchased a brand new car three years ago for $35,000. The following year its value was estimated at $23,850, and the year after that the price dropped to $20,400.
Approximately what was the percentage change in the value of Sebastian's vehicle between one year and two years after its purchase?
A. -42%
B. 86%
C. -14%
D. 14%
Hamza purchased six 2-liter bottles of soft drink to serve at a pizza party with friends.
If the group drank 7,264 cubic centimeters of the soda during the party, about how many liters of soft drinks remained afterward?
A. 2 liters
B. 7 liters
C. 3 liters
D. 5 liters
A day trader noted that the value of a particular foreign currency pair fell from 1.32075 when the markets opened on Monday to 1.29620 when the markets closed on Friday.
By how much did the value of the currency pair decrease during the week, rounded to the nearest thousandth?
A. 0.0246
B. 0.024
C. 0.025
D. 0.02455
Which answer choice most accurately describes the distribution observed in the graph?
A. normal
B. plateau
C. skewed left
D. bimodal
The pie chart shows the percentage of computers using a given web browser when they visited the Wikimedia Commons site over the period of one month.
If 500 computers used Opera during that time, what was the total number of computers that visited the site?
A. A total of 5,000 computers visited the site.
B. A total of 2,500 computers visited the site.
C. A total of 100,000 computers visited the site.
D. A total of 10,000 computers visited the site.
The graph shows the number of sunspots and the measurement of a variable that estimates the average global temperature ("the temperature proxy").
Which of the following statements best describes the correlation between these 2 measurements?
A. Sunspots were not correlated with temperature between 8,000 and 6,000 years ago and were negatively correlated with temperature from about 2,000 years ago to the present.
B. Sunspots were not correlated with temperature between 8,000 and 6,000 years ago and were positively correlated with temperature from about 2,000 years ago to the present.
C. Sunspots were negatively correlated with temperature between 8,000 and 6,000 years ago and were negatively correlated with temperature from about 2,000 years ago to the present.
D. Sunspots were negatively correlated with temperature between 8,000 and 6,000 years ago and were positively correlated with temperature from about 2,000 years ago to the present.