4а + b – 3 = 2b *
yes; b - 4a = 3
yes; 4a + b = 3
yes, 4а - b = 3
no

both triangles are similar because 2 is just smaller than the big one 1 is similar because they are facing different way's but are similar to each other

step-by-step explanation:

the answer for the question that you are asking is 4

11  

13

15

hope this