Solve the problem.The following data represents the Olympic winning time in Women's 100 m Freestyle. 
Using the line of best fit (with slope correct to 5 decimal places) for the data set, predict the Olympic winning time in 2000.
Fill in the blank(s) with the appropriate word(s).
53.56
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The body surface area B of an 80-kilogram man depends on his height h measured in meters. The relationship is
.
If the height is multiplied by 1.08, how is the body surface area affected? Round your answer to two decimal places if necessary.
?
A. Body surface area is multiplied by 0.47. B. Body surface area is multiplied by 1.76. C. Body surface area is multiplied by 1.04. D. Body surface area is multiplied by 1.38.
Estimate the answer from the table or graph.The number of students at Alder High School who studied foreign languages in different years is shown in the bar graph. What is the total number of students who studied a foreign language in 2012? (Assume no student studied two foreign languages).
2006200820102012Year
A. 90 students B. 150 students C. 130 students D. 170 students
Solve the problem.A yard in the shape of a square measures 
on each side. A triangular area with a height of 
and a base of 
is dug up for a flower bed. How much yard area is left over?
A. 161.5 ft2 B. 342 ft2 C. 323 ft2 D. 380 ft2
Determine the size of the matrix.
A. 4 × 2 B. 2 C. 2 × 4 D. 8