Use the unit circle to determine the value of the given expression or state that it is undefined.sin (765°)
A. - 
B. 
C. 
D. - 
Answer: B
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Solve the problem.Find the center of mass of the rectangular solid of density 
defined by 
, 
, 
.
A. 
= 
, 
= 3, 
= 2
B. 
= 
, 
= 
, 
= 1
C. 
= 2, 
= 4, 
= 
D. 
= 1, 
= 2, 
= 
Write the equation as an equivalent exponential equation.log2(8) = 3
A. 83 = 2 B. 32 = 8 C. 23 = 8 D. 28 = 3
Solve the problem.The sales of a mature product (one which has passed its peak) will decline by the function S(t)= Soe-at, where t is time in years. Find the sales after 18 years if 
and 
(Round to the nearest whole number.)
A. 67,355 B. 2,059,009 C. 1822 D. 911
Find the standard form of the equation of the parabola using the information given.Focus: (1, -4); Directrix: x = 5
A. (x - 3)2 = -8(y + 4) B. (y - 3)2 = -8(x + 4) C. (x + 4)2 = -8(y - 3) D. (y + 4)2 = -8(x - 3)