Find the exact value, given that sin A = -4/5 with A in quadrant IV, 
with B in quadrant III, and 
with C in quadrant II.cos 2B
A. 
B. 
C. - 
D. - 
Answer: B
Mathematics
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Solve the exponential equation.87x = 32,768
A. 
B. 32,768
C. 390,625
D. 
Mathematics
Write the integral that gives the surface area generated when the curve is revolved about the x-axis. Do not simplify.y = ln x3 on [1, 
]
A. 
dx
B. 2?
dx
C. 2?
dx
D. 2?
dx
Mathematics
Complete the table of ordered pairs for the given linear equation; then plot the solution.y - 4 = 0
A. 
B. 
C. 
D. 
Mathematics
Convert to fraction notation.3
A. 
B. 
C. 
D. 
Mathematics