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. ?
Answer: B
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If y varies inversely as x, find the inverse variation equation for the situation.y = 
when x = 16
A. y = 
B. y = 
C. y = 
D. y = 
x
Determine whether the relation is a function.{(-7, 7), (-7, 6), (1, 2), (5, -1), (10, -1)}
A. It is not a function. B. It is a function.
Determine whether the equation has no solution, one solution, or infinitely many solutions.2x + 9(x + 1) + 2 = 11 - 3x
A. Infinitely many solutions B. One solution C. No solutions
Solve the problem.Bob owns a watch repair shop. He has found that the cost of operating his shop is given by 
where c is cost and x is the number of watches repaired. How many watches must he repair to have the lowest cost?
A. 39 watches B. 44 watches C. 20 watches D. 88 watches