Answer:
(x) = 
Step-by-step explanation:
let y = f(x) and rearrange making x the subject, that is
y = 5x + 4 ( subtract 4 from both sides )
y - 4 = 5x ( divide both sides by 5 )
= x
change x to
(x) and y back to x, thus
(x) = 
The mean is 7.5
It is the average of the two values.
The answer is -2.5. this is how you work it out.
21.4 + (-23.9) = -5/2 = -2.5
Answer:
Its a farmworker
Step By Step Explaination:
Farmworker. a helot is a farmworker of ancient sparta who had few rights or freedom.