Find the exact value of the expression.cot-1 
A. 
B. 
C. 
D. 
Answer: D
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Give the genus of the object.A garden hose with holes punched all along it
A. Genus 0 B. Genus 1 C. Genus 2 D. Genus 3 or more
Find the missing length, x, for the similar triangles.
A. x = 16 B. x = 20 C. x = 5 D. x = 15
If B is the midpoint of AN and E is the midpoint of NR, then
(a) BE = 1/2 (AR). (b) BE:AR = NE:ER. (c) BN:BE = EN:EB. (d) AN = 1/2 (NB). (e) Both (a) and (d) are correct.
Solve the problem.The total profit function P(x) for a company producing x thousand units is given by 
Find the values of x for which the company makes a profit. [Hint: The company makes a profit when 
A. x is less than 11 thousand units B. x is between 3 thousand units and 11 thousand units C. x is greater than 3 thousand units D. x is less than 3 thousand units or greater than 11 thousand units