Answer:
35+(y-15)+3y=180
35+y-15+3y=180
35-15+y+3y=180
20+4y=180
4y=160
y=40
3y=120
Answer:17.4
Step-by-step explanation:435 Divided by 25
The set is called a null set
Step-by-step explanation:
Because it has no members