Solve the equation. If there are no real solutions, write "no real-number solutions."x2 = 25
A. 
B. ±5
C. 5
D. no real-number solutions
Answer: B
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The abacus in the figure has "five" playing the role of "ten." (a) What number is represented on this five-bead abacus? (b) How would this number naturally be recorded?
A. (a) 625, (b) 10,000 B. (a) 20, (b) 40 C. (a) 125, (b) 1000 D. (a) 25, (b) 100
Solve the problem.The table below gives the number of births, in thousands, to females over the age of 35 for a particular state every two years from 1994 to 2010. 
Use technology to find the quartic function that is the best fit for this data, where x is the number of years after 1994. According to the model, when will the number of births to females over the age of 35 first reach 80,000?
A. 2016 B. 2013 C. 2015 D. 2014
An auxiliary electric power station will serve three communities, A, B, and C, whose relative locations are shown in the accompanying figure. Determine where the power station should be located if the sum of the squares of the distances from each community to the site is minimized. Please round the answer to the nearest hundredth.
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A. 
B. 
C. 
D. 
E. 
Simplify the expression.
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A. 
B. 
C. 
D. 
E. 