$200

250x.2=50

250-50=200

$200

**Answer:**

Option D : "he percent of increase of respiratory illnesses per year"

**Step-by-step explanation:**

Since you want to show how the respiratory illnesses increase over the last 15 years, then plot a graph that shows such increase year by year.

**Answer:**

if youre factoring, there is no possible factors

if youre solving for x, it is

x =−1.5+0.87i

x =−1.5-0.87i

i believe

**Step-by-step explanation:**

**quadratic equation**

**Answer:**

abd=16 and dbc = 74

**Step-by-step explanation:**

alr so x+9+11x-3 = 90, so you collapse that down into 12x +6= 90, subtract 6 from both sides to get 84, then divide both sides by 12 to get x = 7. Then, you just have to plug x back into x+9 and 11x-3

Answer:

F

Step-by-step explanation:

Using Pythahorean theorem

It is equal to

12.