Answer:
1. 1/40
2.9/50
3.1/5 =0.2= 20%
i dont know the rest sorry , but is that a dog behind it the paper ?
Answer:

<h3>(6x²-11x) is the right answer.</h3>
Answer:
x = 71°
Option B is correct answer.
Step-by-step explanation:
We need to find for what value of x is
, where 0°< x < 90°?
Solving:

So, we get x = 71°
Option B is correct answer.
Answer:
She will get 12 books from the store
Step-by-step explanation:
We can use ratio's to solve
2 books out x books out
------------------- =-----------------------------
3 books in 18 books in from Val
Using cross products
2 * 18 = 3 *x
Divide each side by 3
2*18 /3 = 3x/3
2*6 = x
12 =x
She will get 12 books from the store