The answer is wrong!
The correct answer is actually b!
Answer:
0
Step-by-step explanation:
-2-(5-3)+4
-2-2+4
-4+4
0
2x+2≥20
2x≥18
x≥9
closed circle on 9 because of the = in ≥ and the line going off to the right
please ask if you need more information or clarification
20 tens= 2 tens = 20 ones
The quadratic formula is...

your a will be in front of your x^2, b in front of your x, and c will be the number without an x. Plug those into the equation and you'll get two answers. That will be it