Answer:
5x280=1400
Step-by-step explanation:
$1400
if he works on the weekends then add 580
s0 $1980
Answer:
(x) = 
Step-by-step explanation:
Let y = f(x) and rearrange making x the subject, that is
y = 7x - 6 ( add 6 to both sides )
y + 6 = 7x ( divide both sides by 7 )
x = 
Change y back into terms of x, hence
(x) = 
First find the slope of the line using the slope formula.
Then insert one of your points to find the value of b(y intercept).
b=15
No, you can combine like terms like this (-1/2 + 11/2 -1)n +3 =3. Then you just simplify to see if the two sides of the equation match. You get 4n+3=3 which is not always true so the original equation is not true.
Feel free to ask any questions.
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