The matrix below represents a system of equations. 2
-1
1
5
1
1
-2
1
-3 -5
What is the solution to this system of equations?
O a=1,b=-1, c= 2
a = 1.5, b=-1, c = 2
a = 2.5, b = -3, c = 2
O a=3, b= -3, c = 2

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Which geometric principle is used to justify the construction below?

Astudent is solving a system of equations by substitution and comes up with the solution 3 = 3. assuming that he solved the problem correctly, which of the following can be said about this system of equations?