Provide an appropriate response.When the numerator is the same as the denominator, for example 
, the fraction is called a(n) 
fraction.
A. whole
B. proper
C. uncommon
D. improper
Answer: D
Mathematics
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Solve the problem.The area A = ?r2 of a circular oil spill changes with the radius. At what rate does the area change with respect to the radius when 
A. 20 ft2/ft B. 20? ft2/ft C. 100? ft2/ft D. 10? ft2/ft
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Evaluate the expression for the given value or values.a ? b ÷ c for a = 18, b = 8, c = 9
A. 1296 B. 16 C. 35 D. 135
Mathematics
The circle in the figure has a radius of r and center at C. The distance from A to B is x.
?
?
If 
and 
, find x.
?
Round the answer to the nearest whole number.
?
A. 10
B. 17
C. 13
D. 12
E. 15
Mathematics
Match the equation to its graph.y2 = -14x
A. 
B. 
C. 
D. 
Mathematics