Answer:

Step-by-step explanation:
Given the expressions all that is required is to expand them (using the distributive property) to see which answers they match up to:
For a:
For b:
For c calculate the square of a sum: 
(add like terms) c: 
For d: 

Answer:
wait thats blurd plis paki ayos ng picture thanks
Answer:
-9x+16
Step-by-step explanation:
-3x+7+-6x+9=-9x+16
-3-6= (tecnectly adding but put negative sign with ur answer!)
7+9=16
Put together and Done!
Hope helps :D
36%=36/100=0,36
0,36•47677= 17 163,74
So there's around 17 164 species treatensd with extinction