Step-by-step explanation:

Answer:
C) (x-3)(x+3)
Note:
Just a tip there is an app called Desmos where you can put in equations like this and it will graph them for you.
Answer:
I am not sure but i think the midpoint is 4.5 and 6
Answer:
Step-by-step explanation:
Janet uses less than 4 cups of flour because 3/8 is less than one.