Use substitution to solve each system of equations:

x=y+6
x+y=10

= (y+6) +y =10
= 2y + 6 = 10
= 2y = 4
Y= 2

The distance from point a to point c across the coordinate plane is aproxamatly 8.94 rounded to the nearest hundredth. you use a^2 + b^2 =c^2