Answer:
8.
Step-by-step explanation:
As seen in the pattern y seems to be two times x so 4 x 2 = 8.
Hope that helps
Answer:
42*6=252
252/25=10.08
≈10 classes in Trang's school
The point (1,14) shows that if there is one table in the room, then it will be set with 14 napkins. The other points show that if there are more tables in the room, the same ratio holds ... there will be 14 napkins on EACH table.
2(10) +5(5)= 45
b=10 a=5
Plug in the values b and a.