I think is C tbh sorry if that’s wrong my fault
Answer:

Step-by-step explanation:

The number is 5 and the factor is 1
Answer:
x=1
Step-by-step explanation: x will always be one unless the value of x is given for example, x wouldnt be one if in the question it says x=10 or x=9 or any number other than one
Answer: 16
Step-by-step explanation:
Range is the largest number in the set minus the smalllest number in the set pf numbers or data.
9-(-7)
9+7
16