Find a unit vector that has the same direction as the given vector.v = 
A. 
B. 
C. 
D. 
Answer: D
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Use basic identities to simplify the expression.sin2? + tan2? + cos2?
A. tan2? B. sin ? C. cos3? D. sec2?
Solve the problem.What is the probability that at least 2 people have the same birth month in a group of 8 people?
A. 0.044 B. 0.954 C. 0.956 D. 0.046
Solve the problem.A basketball fieldhouse seats 15,000. Courtside seats cost $8, endzone seats cost $6, and balcony seats cost 
The total revenue for a sellout is $86,000. If half the courtside seats, half the balcony seats, and all the endzone seats are sold; then the total revenue is $49,000. How many of each type of seat are there?
A. 3000 courtside, 4000 endzone, 8000 balcony B. 4000 courtside, 3000 endzone, 8000 balcony C. 3200 courtside, 1800 endzone, 10,000 balcony D. 3000 courtside, 2000 endzone, 10,000 balcony
Solve.Customers are charged both a city and county sales tax on each food purchase. If the city sales tax is 2.8% and the county sales tax is 4%, then what percentage of sales tax is added to each food purchase?
A. 6.7% B. 6.8% C. 7.1% D. 2.8%