Step-by-step explanation:
let the speed of diesel train = x
the equation would be:
(2+6)x = 6(x+15)
8x = 6x+90
8x-6x = 90
2x = 90
x = 90/2
x = 45
Therefore, the speed of diesel train =
45 mph
25/30 + 27/30 = 52/30 = 1 22/30 = 1 11/15 Your answer is A
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∠MHJ and ∠LHK are vertical angles, so:

and

Answer B)
Answer:
(x - f_x)^2 + (y - f_y)^2 = (f_x^2 + (x - 3) f_x + f_y^2 + (y - 6) f_y - x - 2 y + 10)^2/(f_x^2 - 2 f_x + f_y^2 - 4 f_y + 5)
Step-by-step explanation: