Find the circumference of the circle. Use 3.14 or 
for ? as indicated.Find the circumference. Round the answer to the nearest tenth of a unit.
A. 50.2 mi
B. 3215.4 mi
C. 201.0 mi
D. 100.5 mi
Answer: D
Mathematics
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Perform the indicated operation.
A. 8x4 + 9x3 + 6
B. 8x4 + 9x + 6x2
C. 8x2 + 9x + 6
D. 4x4 + 
x3 + 3
Mathematics
Graph.f(x) = 
x2
A. 
B. 
C. 
D. 
Mathematics
Rewrite the expression as the sum and/or difference of logarithms, without using exponents. Simplify if possible.log8
A. 
log813 - log87
B. log87 - log8
C. log4
- log47
D. log8
+ log87
Mathematics
A guy wire whose grounded end is 11 ft from the post it supports makes an angle of 66.4° with the ground. If the wire is attached to the top of the post, find the height of the post to the nearest tenth of a foot, if necessary.
a. 10.1 f b. 4.4 ft c. 11 ft d. 4.8 ft e. 25.2 ft
Mathematics