Use half-angle identities to find the exact value of the expression.tan 75°
A. 2 - 
B. -2 - 
C. 2 + 
D. -2 + 
Answer: C
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Rewrite the statement in the form "if p, then q".A regular hexagon is a six-sided figure .
A. If the figure is a regular hexagon, then it is a six-sided figure. B. If the figure is not a regular hexagon, then it is not a six-sided figure. C. If the figure is a six-sided figure, then it is a regular hexagon. D. If the figure is a regular hexagon, then it is not a six-sided figure.
Solve the problem using the rule of 78s.A college student buys a used car for $5000. She makes a down payment of $1,100 and finances the balance at 8.5% APR over 24 months. Before making the 15th payment, she decides to pay the remaining balance on the loan. How much interest will the student save?
A. $53.18 B. $46.24 C. $58.49 D. $68.18
Complete the factoring.9x2 - 20x - 21 = (x - 3)( )
A. 9x + 7 B. x - 7 C. 7x + 9 D. x + 9
Find the exact value of the expression or state that it does not exist.sec
A. 
B. 2
C. 0
D. 1