Use the given CDF to find the requested information.Find E(Y).F(y) = 
A. 4
B. 
C. 2
D. 3
Answer: A
Mathematics
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The figure shows an angle ? in standard position with its terminal side intersecting the unit circle. Evaluate the indicated circular function value of ?.Find tan ?.
A. - 
B. - 
C. 
D. - 
Mathematics
Evaluate the expression for the given value or values.
for x = -228, y = 0
A. -228 B. 228 C. 0 D. undefined
Mathematics
Use the quotient rule to simplify the expression. Write the expression with positive exponents. Assume that all variables represent nonzero real numbers.
A. 
B. 109
C. 
D. 
Mathematics
Find the vertices of the ellipse.16x2 + y2 - 96x + 128 = 0
A. (4, 3), (4, -3)
B. (4, 2
), (4, -
)
C. (3, 4), (3, -4)
D. (3, 
), (3, -
)
Mathematics