Answer: 5a+b
Step-by-step explanation:
Add zero
5a+b+0
5a+b
Answer:epression could be used to represent 2/3
1/2
1/3
1/3
Basically all you have to do is to find what the question is telling you and the unit you will get it from the question example: 15 is what percent of 90 so first work out the question then the unit is percent% because they say what percent.
hope i helped
Answer:
#4 is 89 and #5 is 122. thats all I know