Find the unknown side of the right triangle. Use a calculator or square root table when necessary and round to the nearest thousandth.
A. 13.229 in.
B. 17.5 in.
C. 24 in.
D. 25 in.
Answer: D
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Factor completely, or state that the polynomial is prime.48y4 - 147y2
A. 3y2(4y + 7)(4y - 7) B. 3(4y2 + 7)(4y2 - 7) C. 3y2(4y - 7)2 D. prime
Solve the problem.The function f models the population of Country X from 1991 to 1998. The graphs of f and the horizontal line y = 805 are shown in the figure. Use the graphs to determine the x-values that satisfy (i) the inequality 
and (ii) 
Express your answers symbolically. 
A. {x|x = 1994}; {x|x ? 1994} B. {x|x = 1994}; {x|x > 1994} C. {x|x ? 1994}; {x|x > 1994} D. {x|x > 1994}; {x|x ? 1994}
Simplify the complex fraction.
A. 
B. 
C. 
D. 
Find the equation of the line tangent to the graph of the function at the indicated point.f(x) = x2 + 3 at (3, 12)
A. y = 6x - 12 B. y = 6x - 6 C. y = 6x - 15 D. y = 3x - 6