He worked 6.5 (6 and a half) hours . 40x + 65 would be the equation then you substitute 6.5 for x .
Answer:
It is always a strait line going up.
Step-by-step explanation:
(2,-9) is a solution to the equation
The solutions are the points where the graph intersects the x axis!
5 - 7
10 - 14
15 - 21
20 - 28
25 - 35
30 - 42
35 - 42
40 - 56
45 - 63
50 - 70
55 - 77
60 - 84
65 - 91
70 - 98
75 - 105
105 with a little extra c:
