Answer:
5.4
sarah = 27
Hilary = 32.4
Step-by-step explanation:
25(.08)+25=27
30(.08)+30= 32.4
32.4-27=5.4
First find the area. 39*332=12,948. 12,948 is less than 15,000, so yes, she has enough bricks.
It is a vertical change.
Hope this helped.
Let the cost of the computer be $

and the cost of the software be $

The total cost the business owner incurred was $

This means that,

We were given another information concerning the relationship between cost of the computer and that of the software.
That is, the computer costs 4 times the software.
Mathematically, we express this relation as,

Now, we substitute equation 2 into equation 1 to obtain,

We simplify to get,

Divide both sides by 5.

Simplify to obtain,

Hence the cost of the software is $800
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The vertex of the graph will be at (0,-3) since if you plug in 0 to the equation the output is -3