Answer:
$22 dollars
Step-by-step explanation:
Add the two numbers. x means one for mathamatics.
No cause if I helmet cost $42 , 7 helmets will be $294.
$42 = 1 helmet
$? = 7 helmets
cross multiply = 42 × 7 = $294
The production cost is an illustration of a quadratic function
<h3>How to determine the equation</h3>
We have the following parameters:
- Computing components (a)
- Number of devices (x),
- Labor (b)
- Savings on reusable material (c)
Using the instructions in the question, the equation of the production cost would be:

Hence, the production cost is 
<h3>Change the subject of the equation</h3>
In (a), we have:

Subtract bx - c from both sides

Divide through by x^2

Hence, the equation that represents the computing component is 
Read more about equations and functions at:
brainly.com/question/1214333
Answer:
The expressions are not equivalent
Step-by-step explanation:
This is due to the fact that when you plug in the same value for y they do not equal the same.