Numerical form is an actual number as opposed to a word.
"Seven" is not numerical form.
"7" is numerical form.
Answer:
A. 
Step-by-step explanation:

I am joyous to assist you anytime.
Answer:
1, -1 , -3 ,3
Step-by-step explanation:
Answer: that the solution is true
Step-by-step explanation: if you get something like 10=10 it’s true but if you get like 4= 7 it’s false
Answer:
the answer is 3.
Step-by-step explanation:
Difference between means to subtract.
8 - 5 = 3