Answer:
The first choice
Step-by-step explanation:
50(3) = 150 which is less than or equal to 150
Answer:
y=3x+13
Step-by-step explanation:
Supplementary angles add to 180 degrees.
x+8x=180
9x=180
x=20
Find the supplement of an angle of 20 degrees
180-20=160
Final answer: 160 degrees and 20 degrees respectively