Step-by-step explanation:
x=y+9
substitute
3(y+9)+8y=-6
3y+27+8y= -6
13y = -6 -27
13y= -33
y = -33/13
x = -33/13 + 9
Answer: 60°
Step-by-step explanation: A straight angle is 180°
180°- 120° = 60°
The major axis is 4 units long andyhe vertices are 4 units to the left/right.
Answer:
the answer I believe is c
Step-by-step explanation: