6. 6. 6
18. 9. 18
30. 12. 30
12x-6 and 6(2x-1) are equal
Write down 11 dollars for one advertisement so your x value is unknown so you plug in your y value
B and D is wrong, as the x-axis (years), can best be represented in increments of 1. This leaves A and C. Of them, A is the best as you can fit all of the data in there without any issues.
Answer:
9 yrs ago
Step-by-step explanation:
(50-x)(20-x) = 451
x^2-70x + 1000 = 451
x^2-70x + 549 = 0
(x-9)(x-61) = 0
x = 9 (if it was 61 yrs ago, the father and son both wouldnt be a live)
