Find the sum of the geometric series.
+ 
+ 
+ 
+ 
A. 
B. 
C. 
D. 
Answer: B
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Use the vertical-line test to determine whether the graph represents y as a function of x.
?
?
A. No, the graph does not represent y as a function of x. B. Yes, the graph represents y as a function of x.
Provide an appropriate response.A student tried to solve the equation 9x = 40 by dividing each side by 40. Why is this not the correct procedure for solving this equation?
What will be an ideal response?
Solve.Amy can clean the house in 8 hours. When she works together with Tom, the job takes 6 hours. How long would it take Tom, working by himself, to clean the house?
A. 2 hr
B. 25 hr
C. 24
hr
D. 24 hr
Solve the problem.Find the area of the shaded portion ( see illustration) of a circle of radius 25 cm, formed by a central angle of 
Round your answer to the nearest square cm. 
[Hint: Subtract the area of the triangle from the area of the sector of the circle to obtain the area of the shaded portion.]
Fill in the blank(s) with the appropriate word(s).