Answer:
Standard form of

Step-by-step explanation:
Here, the given expression is 
Now, simplifying the above expression in parts, we get

hence, combining both parts:


= 
The above expression is of the STANDARD FORM: 
Hence, the standard form of

It's 12 because if you divide 6 by 0.5 you should get 12, so basically use the opposite operation.
Hope that helps!
It’s b.
because it’s would be 180-45
Answer:
B. (x - 8)(x - 5)
Step-by-step explanation:
If you plugged in x = 5 into the 2nd equation, you would see that you would be multiplying by 0, which would turn everything zero.
Answer:
80
Step-by-step explanation:
The sum of the opposite inscribed angles is 180
x+100 = 180
X = 80