<span>7x - 5y =21
-7 -7
5y = 14
---- -----
5 5
y= 2.8
(4,2.8)</span>
Answer:

Step-by-step explanation:
Given
The attached table
Required
The relationship between both temperatures
<em>This implies that we calculate the table equation</em>
First, we calculate the slope (m)

Where:


So, we have:



The equation is then calculated using:

This gives:



18;45 = 9
24;16 = 8
I hope this helps
Answer: Assuming the plumber will round up the hours, the answer is 335.
Step-by-step explanation:
You can use this equasion to solve the problem: 75+52x=c
In this case, x would equal the number of hours he would work and c would represent the final cost.
Basically, you can just multiply the hourly cost by the hours he works and then add the service fee. Hope this helped!
Hello There!
-2.3 x 6.5 = -14.95.
The answer is -14.95.
Hope This Helps You!
Good Luck :)
- Hannah ❤