I Believe its 2/5
(just know im not too sure)
Answer:
x = 0, y = -1
Step-by-step explanation:
10x = 5y + 5
y = 2x - 1
======================
10x = 5(2x - 1) + 5
10x = 10x - 5 + 5
x = 0
======================
y = 2x - 1
y = -1
Answer:
3 is 60°, as well as 5 and 7 and the rest are 120°
Step-by-step explanation: