5a+5b because 6a-a=5a and 8b-3b=5b. 5a+5b.
Answer:
11 units
Step-by-step explanation:
Length of side PS can be calculated using the distance formula, 
Where,
(the coordinate of P is gotten from the graph)
(given)
Y - 4.5 = 12.2
your solving for y which means your trying to get rid of 4.5 so that y can equal something. The opposite of -4.5 would be +4.5, so you would add 4.5 to both sides to get
y = 16.7
So your answer would be
A. Add 4.5
and also dont' say your stupid because all you need is a little explanation and you'll get it, its very easy you just need to take the time to practice :-)
77 is ur answer hope this helps u
For number 2 it's would be 12.8
Sorry I don't have time for number 3
