Total cost = 1.50 per bottle
y = 1.50x
If x = 1, y = $ 1.50 (1,1.5)
If x = 2, y = $ 3.00 (2,3)
If x = 3, y = $ 4.50 (3, 4.5)
If x = 4, y = $ 6.00 (4, 6)
There are your 4 sets of ordered pairs to graph.
You could continue with more x-values to get more ordered pairs.
-1 and -1/-2
Is your answer to the reduced fraction
<span>square root of 30(.8)(90)
</span>√30(.8)(90)
√2700(.8)
√2160
12√15
Subtract 80 _ 65 and get 15
Answer:


Step-by-step explanation:
Given

Express the denominator as 
To do this, we divide
by the denominator

So, the required fraction is:


Hence:

Given

Express the denominator as 
Multiply the fraction a+4/a+4
So, we have:

Apply difference of two squares to the denominator

Take the additive inverse of the numerator and denominator


Hence:
