Solve the problem.Suppose you pay $2.00 to roll a fair die with the understanding that you will get back $6.00 for rolling a 6 or a 2, nothing otherwise. What are your expected winnings?
A. $6.00
B. $2.00
C. $0.00
D. -$2.00
Answer: C
Mathematics
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Multiply.(-8y3)(-9y)
A. -72y4 B. 72y4 C. 9y - 8y3 D. -17y3
Mathematics
Assuming that the equations define x and y implicitly as differentiable functions 
find the slope of the curve 
at the given value of t.x = t sin t + t, y cos t + y = 2t, t = 
A. - 
B. 2 + ?
C. 
D. 
Mathematics
Solve the equation.2(2z - 4) = 3(z + 4)
A. z = -4 B. z = 4 C. z = 6 D. z = 20
Mathematics
Solve.Express the perimeter of the rectangle as a fully simplified rational expression.
A. 
in.
B. 16 in.
C. 8 in.
D. 8x in.
Mathematics