Tell which set or sets the number belongs to: natural, whole, integer, rational, irrational, real.
A. real
B. real, whole
C. real, irrational
D. real, rational
Answer: D
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Find the area of the circle with the given radius or diameter. Use ? ? 3.14.r = 7 yd
A. A ? 153.86 yd2 B. A ? 21.98 yd2 C. A ? 615.44 yd2 D. A ? 43.96 yd2
Write the number in the sentence in digits.The volume of water in the lake is twenty-six billion, four hundred nine million, five hundred sixty-nine thousand, two hundred twelve cubic inches.
A. 26,409,569,212 B. 26,000,409,569,212 C. 26,490,569,212 D. 260,409,569,212
Solve the problem.The cost, in dollars, of retaining the services of a computer repairman in Anchorville is given by 
where x is the number of hours worked. Find the slope and y-intercept of the equation and explain what each signifies.
A. 18 signifies the hourly rate, and 66 signifies the overhead charge. B. 66 signifies the hourly rate, and 18 signifies the overhead charge. C. -66 signifies the hourly rate, and 18 signifies the travel cost. D. 84 signifies the cost for an on-site inspection.
Divide.
A. 2 R 4 B. 3 C. 4 D. 2 R 5