Evaluate the following expression.
?
4 tan t cot t
?
A. 3
B. 5
C. 4
D. 2
E. 6
Answer: C
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Graph the line.x = 7
A. 
B. 
C. 
D. 
Evaluate the expression for the given replacement values.-8x; x = - 
A. - 
B. 
C. - 
D. 
Solve.An electronics manufacturer's revenue R for selling x mobile phones is given by 
A competing electronics manufacturer's revenue for selling a similar mobile phone is 
Under what circumstances will both manufacturers make the same revenue?
A. They will make the same revenue if they sell 430 phones. B. They will make the same revenue if they sell 0 or 215 phones. C. They will make the same revenue if they sell 0 or 430 phones. D. They will never make the same revenue.
Find the probability.The table lists the eight possible blood types. Also given is the percent of the U.S. population having that type.
Let E be the event that a randomly selected person in the U. S. has type B blood. Let F be the event that a randomly selected person in the U. S. has RH-positive blood.Find P(F|E).
A. 0.818 B. 0.340 C. 0.720 D. 0.107