Simplify the expression. All exponents should be positive integers.
A. -7a6b8
B. 
C. 
D. 
Answer: A
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Use the square root property to solve the quadratic equation.4x2 + 12x = 40
A. 5, -2 B. -10, 1 C. -5, 8 D. -5, 2
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log4
A. 3 - log4 
B. 3 log4 4 - 
log4(x - 1)
C. 3 - 
log4(x - 1)
D. log4 64 - log4 
Suppose that demographic studies show that each year about 8% of a city's population moves to the suburbs (and 92% stays in the city), while 4% of the suburban population moves to the city (and 96% remains in the suburbs). In the year 2000, 64
1% of the population of the region lived in the city and 35.9% lived in the suburbs. What percentage of the population of the region would eventually live in the city if the migration probabilities were to remain constant over many years? For simplicity, ignore other influences on the population such as births, deaths, and migration into and out of the region. A) 41.7% B) 33.3% C) 50% D) 66.7%
Solve the inequality and graph the solution on the real number line.
?
?
A. 
B.
C.
D.
E.
