Answer:
B
Step-by-step explanation:
Angles in a triangle add up to 180
Take 45 + 90 then subtract the answer from 180
False
5(5x-3y=6)
3(2x+5y=-10)
25x-15y=30
6x+15y=-30
31x= 0
x = 0
5(0)-3y=6
-3y=6
y= -2
(0,-2)
-3
-2+-3=5