Solve the problem.Find a unit vector normal to the plane containing u = -i + 3j - 5k and v = 2i - j + 6k.
What will be an ideal response?
i - 
j - 
k or - 
i + 
j + 
k
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Find the expected value of the optimal strategy.A college is holding a rock and roll concert to be held in the stadium and has sold out all tickets. If it rains, the show will have to be moved to the gym which has a smaller seating capacity. The college must decide in advance whether to set up seats and the stage in the gym, or in the stadium, or both, just in case. The net profit in each case is given in the payoff matrix below:RainNo Rain
According to the weather forecaster, the probability of rain is 0.15. What is the maximum expected profit?
A. $1723 B. $1260 C. $750 D. $1585
Write the scientific notation in standard form.The signal frequency was set to 
Hz.
A. 239.4 B. 342,000,000 C. 3,420,000 D. 34,200,000
Solve the problem.Find parametric equations for an object that moves along the ellipse 
+ 
= 1 with the motion described.The motion begins at (3, 0), is counterclockwise, and requires 5 seconds for a complete revolution.
A. x = -3cos(
t), y = -9sin(
t), 0 ? t ? 5
B. x = 4cos(
t), y = 6sin(
t), 0 ? t ? 3
C. x = -4cos(
t), y = 6sin(
t), 0 ? t ? 3
D. x = 3cos(
t), y = -9sin(
t), 0 ? t ? 5
Find the first and third partial sums, s1 and s3, for the sequencean = 
A. 
, 
B. 
, 
C. 
, 
D. 
, 