Find the exact value of the expression.cos 105°

A.
B.
C.
D.


Answer: D

Mathematics

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Evaluate. -  

A. -  
B.  
C. -  
D.

Mathematics

Determine if the ordered pair satisfies the inequality.x + y > -8: (-5, 0)

A. Yes B. No

Mathematics

The demand function for a certain make of replacement cartridges for a water purifier is given by ? ? where p is the unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. Determine the consumers' surplus if the market price is set at $1/cartridge. Round your answer to the nearest dollar. ? CS = $__________

Fill in the blank(s) with the appropriate word(s).

Mathematics

Completely factor the polynomial or state that the polynomial is prime.6z2 - 5z - 6

A. (2z - 3)(3z + 2) B. prime C. (2z + 3)(3z - 2) D. (6z - 3)(z + 2)

Mathematics