Perform the transformation.Write csc x in terms of tan x.
A. 
B. 
C. ± 
D. 
Answer: B
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Find the amount of refund to the insured using this short-term rate schedule. 
Annual premium: $2637Months in force: 11
A. $1714.05 B. $527.40 C. $131.85 D. $922.95
Find the vertex of the parabola and determine if it is a maximum or minimum. f(x) = -2x2 - 8x - 7
A. (-2, 1); maximum B. (-2, 1); minimum C. (-2, -1); maximum D. (-2, -1); minimum
Simplify the trigonometric expression by following the indicated direction.Multiply and simplify: 
Fill in the blank(s) with the appropriate word(s).
Write a formula for the general term (the nth term) of the arithmetic sequence. Then use the formula for an to find a20, the 20th term of the sequence.-26, -33 , -40, -47, . . .
A. an = 7n + 19; a20 = 159 B. an = 7n + 26; a20 = 166 C. an = -7n - 26; a20 = -166 D. an = -7n - 19; a20 = -159