Identify which geometric series converge. Give the sum of a convergent series.1 + 
+ 
+ . . .
A. Converges to 6
B. Converges to 7
C. Converges to 4
D. Converges to 5
Answer: A
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Solve the problem.Mieko, who is 1.60 m tall, wishes to find the height of a tree with a shadow 32.18 m long. She walks 22.63 m from the base of the tree along the shadow of the tree until her head is in a position where the tip of her shadow exactly overlaps the end of the tree top's shadow. How tall is the tree? Round to the nearest hundredth.
A. 2.73 m B. 2.28 m C. 5.39 m D. 1.60 m
Solve the system.2x + y = 12x - z = 6y + z = -5
A. Infinitely many solutions B. No solution C. (6, -5, 0) D. (0, 1, -6)
The Social Security (FICA) wage base (in thousands of dollars) from 1996 to 2001 is given in the following table:
Year199619971998199920002001Wage Base, y62.765.468.472.676.280.4?
Find an equation of the least-squares line for these data. (Let 
represent the year 1996.) Please round the coefficients in your equation to three decimal places. Use the result to estimate the FICA wage base in the year 2006. Round the answer to the nearest dollar.
?
A. ?
B. ?
C. ?
D. ?
Find the root.-
A. 6 B. 36 C. -6 D. Not a real number