Find all natural number values of b that make the trinomial factorable.x2 + bx - 39
A. 10, 38
B. 16, 40
C. 38
D. 10
Answer: A
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Factor.729 - y3
A. (729 - y)(1 + 9y + y2) B. (9 - y)(81 + 9y + y2) C. (9 + y)(81 - 9y + y2) D. (9 - y)(81 + y2)
Use a calculator to approximate the square root. Round to three decimal places.
A. 11.747 B. 11.752 C. 138.000 D. 11.744
Solve the problem. Round to the nearest tenth of a percent if necessary.Sales of frozen pizza for a club fund-raiser changed from 500 one year to 725 the next year. What was the percent change in pizza sales?
A. There was a 31% decrease in sales. B. There was a 45% increase in sales. C. There was a 69% decrease in sales. D. There was a 55% increase in sales.
The following graph shows the populations of the metropolitan areas of City X and City Y over six years. 
In what years was the population of the City X metropolitan area less than that of the City Y metropolitan area?
A. Years 1-5 B. Years 3-5 C. Years 5-6 D. Years 1-3