Answer:
90
Step-by-step explanation:
90/10= 9
90/5= 18
No number larger than 90 would work.
Answer:

Step-by-step explanation:
Given

(a): Write as additive inverse.
An additive inverse is of the form a + (-b)
In this case:


So, the expression can be represented as:

(b): Number line representation
When the expression in (a) is solved.
The result is:

This means that the number line must accommodate 7 and -1.
Having said that, options (b) and (c) are out because their range is 0 to 15 and this excludes -1.
Option (d) is a wrong representation of 
Hence, (a) is correct
Answer:
it’s already in it’s simplest form
Answer:
its either got to be c or b but id go with the one that you thank it is
Step-by-step explanation: