Perform the indicated operations.(3x2 - 8x + 4) - (x2 - 3x + 2) + (8x2 + 5)
A. -6x2 - 11x + 11
B. 10x2 - 5x + 11
C. 10x2 - 5x + 7
D. 10x2 - 11x + 7
Answer: C
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Determine the mode or modes, if any, of the set.556° 458° 259° 476° 556° 732° 458° 339° 556° 458°
A. 458° B. No mode C. 556° D. 458°, 556°
State which type of average, the mean, median, or mode, would be most appropriate in the situation described. Explain your thinking.A parcel service wants to estimate how many vans it will need. It knows how many parcels are delivered each day, but it also needs to know the average volume of the parcels. Which average would be the most useful?
What will be an ideal response?
Use the information given about the angle ? to find the exact value of the indicated trigonometric function.cot ? = -3, sec ? > 0Find cos 
.
A. -
B. 
C. 
D. -
The table shows, for some particular year, a listing of several income levels and, for each level, the proportion of the population in the level and the probability that a person in that level bought a new car during the year. Given that one of the people who bought a new car during that year is randomly selected, find the probability that that person was in the indicated income category. Round your answer to the nearest hundredth. 
$35,000 - $39,999
A. 0.09 B. 0.13 C. 0.11 D. 0.15