If a tree casts a shadow of 5 ft 8 in. at the same time that a 6-ft 11-in. person casts a shadow of 4 ft 2 in., find the height of the tree (to the nearest inch).
?
A. 8 ft 4 in.
B. 11 ft 6 in.
C. 9 ft
D. 9 ft 5 in.
E. 9 ft 4 in.
Answer: D
Mathematics
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Find the standard deviation. Round to one more place than the data.17, 12, 10, 13, 5, 17, 7, 6, 9
A. 4.4 B. 1.3 C. 4.2 D. 4.8
Mathematics
Tell what possible misuses or misinterpretations may exist for the following statement.More people drown at ocean beaches each year than at lake beaches. Therefore, ocean beaches are more dangerous.
What will be an ideal response?
Mathematics
Write the equation of the line with the given slope and y-intercept.slope 3;y-intercept (0, -5)
A. y = 3x + 5 B. y = 5x + 3 C. y = -5x + 3 D. y = 3x - 5
Mathematics
Simplify the fraction. (Write the fraction in lowest terms.) If the fraction cannot be simplified, so state.
A. 
B. 20
C. cannot be simplified
D. 
Mathematics