Jill and mary are selling cheesecakes for a school fundraiser. customers can buy pecan cheesecakes and apple cheesecakes. jill sold 6 pecan cheesecakes and 14 apple cheesecakes for a total of $382. mary sold 3 pecan cheesecakes and 3 apple cheesecakes for a total of $111. find the cost each of one pecan cheesecake and one apple cheesecake.

Mary sold her cheesecakes for $18.50

Jill sold her cheesecakes for $19.10

Step-by-step explanation:

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step-by-step explanation:

sin(7pi/6 - pi/3)  

= sin(7pi/6 - 2pi/6)  

= sin(5pi/6)  

= sin(pi - pi/6)  

= sin(pi/6)  

= 1/2  

sin 7pi/6 - sin pi/3  

= sin (pi + pi/6) - sin pi/3  

= -sin pi/6 - sin pi/3  

= -1/2 - sqrt(3)/2  

= -(1+sqrt(3))2