Express the repeating decimal as a fraction in lowest terms.0. 
= 
+ 
+ 
+ ...
A. 
B. 
C. 
D. 
Answer: C
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Describe the graph of the polar equation.r2 = 36 rcos ? - 6r sin ? - 9
A. Parabola opening upward with vertex (36, -6) B. Circle with radius 18 and center (18, -3) C. Circle with radius 3 and center (36, -6) D. Parabola opening to the right with vertex (36, -6)
Write sigma notation.6 + 7 + 8 + 9 + 10
A. 
B. 
C. 
D. 
Provide an appropriate response.The set S of all x that satisfy the inequality ax ? b is a ray in R1. Show that the set S is convex.[Hint: A set S in Rn is convex if, for each p and q in S, the line segment between p and q lies in S. This line segment is the set of points of the form (1 - t)p + tq for 0 ? t ? 1. ]
What will be an ideal response?
Solve the problem.The cost of a snow removal service for residential driveways is $75 per season plus $35 for each time the snow is removed.a) Write a linear equation that gives the cost, y, in terms of the number of times the snow is removed, x, for one season.b) Using the equation found in part a, find the cost after the snow has been removed 4 times.c) If the cost is $215, then how many times was the snow removed?
A. y = 75 + 30x; $195; 4 B. y = 75 + 35x; $215; 4 C. y = 75 + 40x; $195; 10 D. y = 75 + 35x; $215; 12