Solve each system 3x + 6y - 4z = 28
--4x – 6y – 2z = -4
5x + 6z = -24

A) (-1,2,-2)
B) (0, 2,-4)
C) (-5, 4, 2)
D) No solution

If the value of cos330°is√3/2 then find cos 165°.

Ze trinomial x2 + bx – c has factors of (x + m)(x – n), where m, n, and b are positive. what is ze relationship between the values of m and n? explain how you got ze answer

Sherrie is baking a pie for her family. she leaves the room and comes back to 35% of the pie having been eaten before she can put the topping on. how much 1 square inch strips of dough will she need for the top, now that a portion is missing? round your answer to the nearest while nimber.