The following table shows the number of bird species found on an island of area A square miles that is part of a particular Pacific island chain.
1020304050
2531363942?
Calculate the average rate of change in the number of species as the area changes from 30 to 40 square miles.
A. 2.28 species per square mile
B. 39.00 species per square mile
C. 0.30 species per square mile
D. None of the above
Answer: C
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Convert the Hindu-Arabic numeral to Chinese.367
A. 
B. 
C. 
D. 
Solve.A circular flower garden has a diameter of 15 feet. Approximate the distance around the garden. Use 3.14 for ?.
A. 94.2 ft B. 706.5 ft C. 47.1 ft D. 23.55 ft
Find the particular solution to the given differential equation that satisfies the given conditions.D4y + 7 D3y + 10 D2y = 0; y = 0, Dy = 25, D2y = -125, and 
when x = 0
A. y = c1 + c2x + c3e-5x + c4e-2x B. y = 5 + 5e-5x C. y = 5 - 5e5x D. y = 5 - 5e-5x
The associative and commutative properties for addition allow for three or more integers to be added in any order. Find the given sum.-14 + 3 + 0 + (-4)
A. 13 B. -15 C. -7 D. -21