Answer:A. 5m + 40
see in the picture, u can see that the line passes through (0;40) and (10;90)
suppose: the equation of the line is y = am + b (a ≠ 0)
because the line passes through (0;40) => 40 = b
the line passes through (10;90) => 90 = 10a + b
=> b = 40
a = 5
=> y = 5m + 40
Step-by-step explanation:
