Use a reference angle to find the value. cos 120°
A. - 
B. - 
C. 
D. - 
Answer: D
Mathematics
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Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = 
, y = - x + 8
A. 54?
B. 
?
C. 42?
D. 72?
Mathematics
Expand the expression using the Binomial Theorem.(3x - 1)5
A. 243x5 - 81x4 + 27x3 - 9x2 + 3x - 1 B. (9x2 - 6x + 1)5 C. 243x5 + 15x4 - 90x3 - 90x2 + 15x - 1 D. 243x5 - 405x4 + 270x3 - 90x2 + 15x - 1
Mathematics
Simplify.-16(6) ÷ 2
A. 96 B. 48 C. -48 D. -96
Mathematics
Divide. If the division is not possible, write "undefined."
A. 21 R5 B. 21 R3 C. 21 D. 24
Mathematics