Which system is independent and inconsistent?
[x-y+z=2
o {x-y-z=2
[x+y+z=2
[x-y+z=2
{x+y-Z = 3
x-y-Z=4
0
(2x+2y+2z = 4
-x-y-Z=-2
x+y+z = 2
O
x
x-y-z = 2
+y-z-3
vovern
Mark this and return

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?

Abag contains 10 white golf balls and 6 striped golf balls. a golfer wants to add 112 golf balls to the bag. he wants the ratio of white to striped gold balls to remain the same. how many of each should he add?