I think the answer is B y= 3x-7
What the question and read the problem again please
Hello!
Let's change it to an equation.

Switch the equation around

First add 10 from 900


Divide both sides by 5

Answer:
105°
Step-by-step explanation:
The entire shape equals 720°, so subtract all the other angles from 720 and you get your answer
<h3>
Answer:</h3>

<h3>
Step-by-step explanation:</h3>
1) Simplify 2 × 8 to 16.

2) Simplify 12 × 16 to 192.

3) Simplify.

So, therefor, the answer is, 2688.