The slope is the number with the letter x
The slope would be -10
The y intercept is the number at the end of the equation.
The y intercept is 1
Here, you know that 12 people answered.
Therefore :
Take the "M" for mean :


In short, you answer would be C. 3.5.Hope this helps !
Photon
10 × $150 = $1500
88 × $85.50 = $7524
1500 + 7524 = $9024 a day.
9024 × 6 = $54,144 (the answer)
Hope this helps!