Find the circumference, if 
. Round approximate answer to two decimal places.
?
?
__________m
Fill in the blank(s) with the appropriate word(s).
11.94
Mathematics
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Determine if the statement is true or false.- 
? -2.75
A. True B. False
Mathematics
Add or subtract vertically.Subtract -x3y3 + x2y2 - x2y - 4x + 4 from 7x3y3 + 6x2y2 - x2y + xy2 + 4x + 2.
A. 8x3y3 + 7x2y2 - 2x2y + xy2 + 6 B. 8x3y3 + 7x2y2 + x2y + 8x - 2 C. 8x3y3 + 5x2y2 + 2xy2 - 2 D. 8x3y3 + 5x2y2 + xy2 + 8x - 2
Mathematics
Solve.The distance to the horizon (in miles) of a satellite h miles above Earth's surface is given by the expression 
. What is the distance to the horizon from a satellite that is 25 miles above Earth? Express the answer in radical form.
A. 20
mi
B. 250
mi
C. 25
mi
D. 10 mi
Mathematics
Determine if the stated number could represent a probability.
A. No B. Yes
Mathematics