Supplementary angles add up to 180, so
6x+60+90 = 180 and solve for x
6x= 30
x=5
The answer is (-3, pi/4). I just took the quiz
The correct answer is y-axis, x-axis, y-axis, x-axis.
Answer:
Euclid was a great mathematician and often called the father of geometry.
Step-by-step explanation: