Write the mixed number as an improper fraction.3
A. 
B. 
C. 
D. 
Answer: D
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Evaluate.71 - 11 ? 3 + 80 ÷ (-10)
A. 30 B. -14 C. -498 D. 172
Solve the problem.In September 1998 the population of the country of West Goma, in millions was modeled by 
At the same time the population of East Goma, in millions was modeled by 
In both formulas x is the year, where 
corresponds to September 1998. Assuming these trends continue, estimate what the population will be when the populations are equal.
A. 1 million B. 17 million C. 18 million D. 19 million
Find the coordinates of the vertex of the quadratic function.f(x) = (x + 5)2 - 9
A. (5, 9) B. (-5, 9) C. (-5, -9) D. (5, -9)
Decide whether the statement is always true, sometimes true, or never true.The difference between two positive numbers is negative.
A. Always true B. Never true C. Sometimes true