Answer:
Question 3: 
Question 4: 
Question 5: 
Step-by-step explanation:
Question 3:

Question 4:
sign flips when r switches sides
Question 5:

Answer: 10%
Step-by-step explanation:
Answer:
Add a three more zeros at the end
Step-by-step explanation: 34.624*1000=34,624
Answer:
I need you to fi it to anwser it
Step-by-step explanation:
Answer:
x² +4x +4
Step-by-step explanation:
Matching the expressions, you see you have y=2. Put 2 where y is and simplify.
(x +2)² = x² +2x(2) +(2)² = x² +4x +4