I have no idea, there isn't a common unit rate. You might have to ask your teacher

**Answer:**

**y=9**

**Step-by-step explanation:**

Because they are opposite angles, they are equal.

11y-36=63

Add 36 to both sides

11y=99

Divide both sides by 11

y=9

Hope this helps!

(Please mark Brainliest)

-10=10(k-9)

so,

-10=10k-90

that is just expanding the brackets by multiplying to k and-9

then.

-10=10k-90

move the-90 over by adding 90

so, 80=10k

k =80/10

k=8

Answer:B: 42.8%

Step-by-step explanation:because if you subtract all the money she used from the salary she will still have most of her money and I did the math and I got 42.8%