Find the sum of the series.x7 + x8+ x9 + x10 + ...

A.
B.
C.
D.


Answer: B

Mathematics

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The box plots represent a comparison of the annual salaries of a group of public and private employees Which of the following represents the five number summary for the salaries of the public employees?

A. Min = $40,000, Q1 = $48,000, Q2 = $60,000, Q3 = $72,000, Max = $80,000 B. Min = $20,000, Q1 = $40,000, Q2 = $60,000, Q3 = $66,000, Max = $82,000 C. Min = $20,000, Q1 = $40,000, Q2 = $60,000, Q3 = $72,000, Max = $84,000 D. Min = $48,000, Q1 = $60,000, Q2 = $76,000, Q3 = $80,000, Max = $100,000 E. none of these

Mathematics

Use a formula to write an equation for each problem, then solve it.The foundation of a house has a rectangular shape. The width is 24 feet and the length is 49 feet. Find the area.

A. area = 2977 sq ft B. area = 1176 sq ft C. area = 146 sq ft D. area = 73 sq ft

Mathematics

Factor completely.4x2 - 25

A. prime B. (2x + 5)2 C. (2x - 5)2 D. (2x + 5)(2x - 5)

Mathematics

Use the graph to find the average rate of change.

A. -  
B.  
C. -4
D. 4

Mathematics