Solve the equation.
= 
A. 0.06
B. 4.5
C. 9
D. 18
Answer: B
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A child has an enormous jar in which she has been saving all of her spare change. In order to determine exactly how much money she has in the jar, she dumps all of the coins on the floor and counts them. Under the watchful eye of her mother, she counts 180 pennies, 120 nickels, 100 dimes, and 80 quarters.The sampling proportion in this survey is
A. 100%. B. 180/480. C. 80/480. D. unknown. E. none of these
Solve.Ted walks around a lake on a path that is 5
miles long. It takes him 3
hours to complete his walk. What is his average speed (in miles per hour)?
A. 1
miles per hour
B. 1
miles per hour
C. 1
miles per hour
D. 2
miles per hour
Divide.
A. -3x2 + 2 B. x2 + 3x + 2 C. x2 - 3x - 2 D. -3x2 + 3x + 2
The figure shows a simplified model of the first Ferris wheel. The radius of the first Ferris wheel was 125 feet, and the distance from the ground to the bottom of the wheel was 14 feet. If 
is the central angle formed as a rider moves from position 
to position
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.
?
?
Apply the rules regarding the use of significant digits when determining your answer.
?
__________ ft
Fill in the blank(s) with the appropriate word(s).