Answer the question.Joan chose one of the numbers 1, 2, 3, . . . , 256 and challenged John to determine the number by asking questions to which Joan would answer 'yes' or 'no'. What is the minimum number of questions that John must ask to be certain of guessing the correct number?
A. 128 questions
B. 8 questions
C. 16 questions
D. 64 questions
Answer: B
Mathematics
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Solve the problem.Write an expression in simplest form that represents the perimeter of the shape. Then use the expression to find the perimeter of the shape if y is 11.
A. y5 + 12; 161,063 B. 5y + 12; 67 C. 5y + 7; 62 D. 3y + 7; 40
Mathematics
Solve the problem.The roof of a building is in the shape of the hyperbola 
where x and y are in meters. Refer to the figure and determine the height h of the outside walls.A = 6 m
A. -14 m B. 9.3 m C. 44 m D. 86 m
Mathematics
Evaluate the expression.(9 ? 7 - 21 ÷ 7)0
A. 1 B. 0 C. 66 D. 60
Mathematics
Using synthetic division, determine whether the numbers are zeros of the polynomial.4, 
; f(x) = x3 - 
x2 + 
x - 2
A. Yes; yes B. Yes; no C. No; yes D. No; no
Mathematics