Question

find it .
pls tell me the answer of this question​

Answer 1

4y+5y+90⁰=180⁰

9y+90⁰=180⁰

9y=180⁰-90⁰

9y=90⁰

y=90÷9

y=10

Answer 2

Answer:

$4y + 35y \\ y + y \\ 4 + 35 \\ 39y$