Convert the percent to a decimal.9.9%
A. 0.99
B. 0.099
C. 9.9
D. 0.0099
Answer: B
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The number S of species of birds on an island is given approximately by
,
where A is the area, in square kilometers, of the island that is usable for birds.A: If a conservation program is able to increase the usable area by 25%, how is the number of species affected? Express your answer in terms of a percent.B: If a natural disaster reduces the usable area of the island by 23%, how is the number of species affected? Express your answer in terms of a percent.C: If the number of bird species is 54, and the usable area is 218 square kilometers, find the value of c.
?
Round your answers to two decimal places if necessary.
?
What will be an ideal response?
Solve the problem.Find term 25 of the arithmetic sequence with first term 5 and common difference - 
.
A. 23
B. - 
C. 
D. - 13
Find the requested value.
{3x + 1 if x < 1 3x if 3 ? x ? 53 - 4x if x > 5
A. 4 B. -9 C. 21 D. 9
Solve the problem.A pendulum swings though an angle of 30° each second. If the pendulum is 45 inches long, how far does its tip move each second? If necessary, round the answer to two decimal places.
A. 24.85 in. B. 21.71 in. C. 25.99 in. D. 23.56 in.