Solve the equation. Express radicals in simplest form.2n2 - 56 = 0
A. {± 2
}
B. {7
}
C. {4
}
D. {± 4
}
Answer: A
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Find the missing quantities as requested.Find the diameter.
A. 5.024 mi B. 8.04 mi C. 3.2 mi D. 0.8 mi
Solve the problem.The rates of death (in number of deaths per 100,000 population) for 20-24 year olds in the United States between 1985-1993 are given below. (Source: NCHS Data Warehouse) 
A logarithmic equation that models this data is y = 57.76 + 48.56 ln x where x represents the number of years since 1980 and y represents the rate of death in that year. Use this equation to predict the year in which the rate of death for 20-24 year olds first exceeds 200.
Fill in the blank(s) with the appropriate word(s).
Evaluate the expression.3.2 - (-8.9) - (-10.7)
A. 5.0 B. -16.4 C. -22.8 D. 22.8
Divide the polynomial by the monomial.
A. 
x4 + 
x3 - 1
B. 9x4 + 7x3 - 2
C. 9x2 + 7x - 2
D. 9x4 + 7x - 2x2