For an arc length s, area of sector A, and a central angle ? of a circle of radius r, find the indicated quantity.r = 81.6 cm, ? = 
radians, find A
A. 1310 cm2
B. 16.1 cm2
C. 2620 cm2
D. 417 cm2
Answer: A
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The following table shows the population N of reindeer on an island t years after 1945.
t 0 5 10 15 N 44 163 659 2636?
A: Explain in practical terms the meaning of 
.B: Use the average rate of change from 
to 
to estimate 
at 
. Round your answer to two decimal places.C: Use your answer from part B to estimate the number of reindeer present in 1953. Round your answer to the nearest whole number.
What will be an ideal response?
Find the indicated term for the sequence.an = 
; a9
A. 
B. 
C. 
D. 81
Complete the statement using the indicated property.(8x + 8y) + 2z = ______ , associative
A. (8y + 8x + 2z) B. (8y + 8x) + 2z C. 8x + (8y + 2z) D. (8x + 8y + 2z)
Solve.There are 3.8 milligrams of iron in a 3.5 ounce serving of beef. How much iron is in 4 ounces of beef? Round the answer to one decimal place.
A. 3.3 mg B. 4.6 mg C. 4.3 mg D. 5.3 mg