For the problem below, ? is a central angle in a circle of radius r. Find the length of arc s cut off by ?.
?
?= 30°, r = 2 mm.
?
If the answer needs rounding, round it to three significant digits.
?
s = __________ mm
What will be an ideal response?
1.05
Mathematics
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A. -2x - 8y + 8z = 38 B. 4y = 26 C. -2x - 8y + 8z = -26 D. -2x - 8y + 8z = 26
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Write as a proportion.4 is to 3 as 36 is to 27.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
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Convert. When necessary, round the answer to two decimal places.4
gallons = ____ pints
A. 34
B. 68
C. 8
D. 17
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Find all cube roots of the complex number. Leave answers in trigonometric form.-125i
A. 5 cis 90°, 5 cis °210, 5 cis 330° B. 5 cis 30°, 5 cis °60, 5 cis 90° C. 5 cis 90°, 5 cis °180, 5 cis 270° D. 5 cis °210, , 5 cis 270°, 5 cis 330°
Mathematics