Factor by grouping.15 - 8x + x2
A. (x + 5)(x - 3)
B. (x - 5)(x - 3)
C. (x + 5)(x + 3)
D. (x - 5)(x + 3)
Answer: B
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Interpret the meaning of the slope and the y-intercept of the equation in terms of the conditions stated in the problem.The population, in millions, of a city t years after 1990 is given by 
A. 2.6 million is the population of the city in 1990 and 0.08 million is the increase per year in the population . B. 2.6 million is the population of the city in 1991 and 2.68 million is the population in 1992. C. 0.08 million is the population of the city in 1990 and 2.6 million is the increase per year in the population . D. 2.6 million is the population of the city in 1990 and 0.08 million is the decrease per year in the population .
Multiply.5(-6)(-6)
A. -180 B. 190 C. 180 D. -60
Solve the equation.y1/2 - 13y1/4 + 30 = 0
A. {10,000, 81} B. {10, 3} C. {-10, -3} D. {100, 9}
Find the composite function for the given functions.f ? g for f(x) = 
and g(x) = 8x - 13
A. 8
- 13
B. 8
C. 2
D. 2