for the first one set 3y+y=180 and y+x=180
the second one set w+y=180, 42+x=180, y+20=180, and 87+v
Answer:
68 degree
Step-by-step explanation:
Please mark as brainliest
Answer:
(-5,1)
Step-by-step explanation:
solved by graphing
Answer:
52,047.96
Step-by-step explanation: