Indicate whether the variable is qualitative or quantitative.The colors of book covers on a bookshelf
A. qualitative
B. quantitative
Answer: A
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Solve the problem.Given the area A of a circle, the formula r = 
can be used to calculate the radius of the circle. Find the area when the radius is 8.6 cm. Express your answer in terms of ?.
A. A = 73.96 ?2 cm2 B. A = 73.96 cm2 C. A = 73.96? cm2 D. A = 76.04? cm2
A unit fraction (a fraction with a numerator of 1) is sometimes called an Egyptian fraction. Egyptians expressed their fractions as a sum of distinct (different) unit fractions. How might the Egyptians have written the fraction 
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Find the equation of the parabola corresponding to the given information.The parabola has focus ( 2 , 0 ) and directrix x = -2.
A. y = x2
B. x = 
y2
C. x = - 
y2
D. x = y2
Solve.
< -2 or 
? 3
A. 
? 
B. 
? 
C. (-?,?)
D. 
