Find the unknown diameter or radius as indicated.
A. 16 m
B. 8? m
C. 4 m
D. 4? m
Answer: C
Mathematics
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Find the area of the region under the graph of the function
?
?
on the interval 
.
?
A. 
sq units
B. 
sq units
C. 
sq units
D. 
sq units
Mathematics
Write the power of i as i, -1, -i, or 1.i18
A. -1 B. i C. 1 D. -i
Mathematics
Find an equation for the graph.
A. y = 4 sin 
B. y = 2 sin (4x)
C. y = 2 sin 
D. y = 4 sin (2x)
Mathematics
Find the unknown length in the right triangle. If necessary, round to the nearest tenth.
A. 3.5 cm B. 6.8 cm C. 85.0 cm D. 9.2 cm
Mathematics