Answer:
11 units
Step-by-step explanation:
simply subtract -3 from 8, which is the same as adding 3 and 8, so the answer is 11 units.
Answer:
Im not sure, but i think it's the bottom because there not working with negatives
Step-by-step explanation:
Don't put that as the answer tho, im not too sure.
Answer:
28
Step-by-step explanation:
Using the rule of radicals
×
⇔ 

= 
=
× 
= 4
Then
7
= 7 × 4
= 28