A petrol car is parked 
feet from a long warehouse (see the figure below). The revolving light on top of the car turns at a rate of 30 revolutions per minute. Write ? as a function of x.
?
A. 
B. 
C. 
D. 
E. 
Answer: A
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The centroid of a triangle lies at the intersection of the triangle's medians, because it lies one-third of the way from each side towards the opposite vertex. Use this result to find the centroid of the triangle whose vertices appear as following.(-2, 0), (2, 0), (0, 8)
A. (0, 
)
B. (0, 4)
C. (0, 
)
D. (0, 8)
The following figure has volume as indicated. Find the value of x.V = 128
h = 6Base is a rectangle.(a pyramid)
A. 
B. 8
C. 5
D. 4
Use the information below to determine the indicated set. U = {x | x ? N and x ? 15} A = {x | x ? N and 5 < x < 10} B = {x | x ? N and x is even and x < 14} C = {x | x ? N and 8 ? x ? 13}A ? (B ? C)
A. {6, 7, 8, 9, 10, 12} B. {6, 8, 9} C. {6, 8, 9, 10, 11, 12, 13} D. {5, 6, 7, 9, 10}
Decide whether the equation is conditional, an identity, or a contradiction. Give the solution set.12(x + 3) = 2(6x + 1) + 34
A. Identity; {all real numbers} B. Contradiction; ? C. Conditional; {36} D. Conditional; {0}