Solve.The number B (measured in thousands) of a certain type of endangered bird can be approximated by the equation B = 1.66x2 + 3.2x + 6.87, where x is the number of years after 1998. How many birds does the equation predict there will be in the year 2008?
A. 176,070 birds
B. 198,000 birds
C. 55,470 birds
D. 204,870 birds
Answer: D
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Add or subtract the rational expressions. Reduce to simplest terms.
- 
A. 
B. 
C. 
D. 6
Find the natural number b that makes the expression a perfect square trinomial.9x2 - bx + 64
A. 576 B. 1152 C. 48 D. 24
Solve the problem.The formula y = 1 + 1.3 ln(x + 1) models the average number of free-throws a basketball player can make consecutively during practice as a function of time, where x is the number of consecutive days the basketball player has practiced for two hours. After how many days of practice can the basketball player make an average of 5 consecutive free throws?
A. 23 days B. 102 days C. 100 days D. 21 days
Solve.At this moment you have $809 in your checking account. Tomorrow you plan to deposit $203, and two days later you are planning to write a check for $778. Will you have enough money to write the check?
A. No B. Yes