Find the vertices and graph the hyperbola.18y2 - x2 = 36
A. (0, -2), (0, 2)
B. (0, -
), (0, 
)
C. (-2, 0), (2, 0)
D. (-
, 0), (
, 0)
Answer: B
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Tell whether the expression is a polynomial. If it is, give its degree.7x3 - 
A. Polynomial; degree -1 B. Polynomial; degree 3 C. Polynomial; degree 1 D. Not a polynomial
Complete the identity.csc2 
= ?
A. 
B. 
C. 
D. 
Solve the problem.Lexie wants to have an income of $9000 per year from investments. To that end she is going to invest $90,000 in three different accounts. These accounts pay 7%, 10%, and 14% simple interest. If she wants to have $10,000 more in the account paying 7% simple interest than she has in the account paying 14% simple interest, how much should go into each account?
What will be an ideal response?
Describe the situation with a linear inequality and then solve the inequality.A standard train ticket in a certain city costs 
per ride. People who use the train also have the option of purchasing a frequent rider pass for 
each month. With the pass, a ticket costs only
per ride. Use an inequality to determine the number of train rides in a month for which purchasing the monthly pass is more economical than purchasing the standard train ticket.
A. 24 or more times B. 26 or more times C. 25 or more times D. 27 or more times