Write the sum in summation notation.
+ 
+ 
+ . . . + 
A. 
B. 
C. 
D. 
Answer: C
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Use a proportion to solve the problem.In a random sampling from a survey concerning music listening habits, 130 out of 160 at-home mothers preferred easy listening to heavy metal. Taking all the data from the survey, 338 at-home mothers expressed a preference for easy listening over heavy metal. How many at-home mothers would you estimate took part in the survey?
A. 425 mothers B. 416 mothers C. 406 mothers D. 411 mothers
Provide an appropriate response. Identify the correct use of the distributive principle.
A. 2(3x - 5) = 6x - 7 B. -(2x - 5) = -2x + 5 C. -(-3x + 1) = 3x + 1 D. 2(3x - 1) = 3x + 2
Factor the polynomial by substitution.a2(a + b)2 - ab(a + b)2 - 72b2(a + b)2
A. (a + b)2(a - 9)(a + 8) B. (a + b)2(a - 8b)(a + 9b) C. (a - 9b)(a + 8b)(a + b) D. (a + b)2(a - 9b)(a + 8b)
Solve the problem.A bank gives three loans totaling $330,000 to a development company for the purchase of three business properties. The largest loan is $38,000 more than the sum of the other two. Find the amount of the largest loan.
A. $192,000 B. $195,000 C. $184,000 D. $180,000