C is correct answer I think :)
Y=x-2
..........................
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Please put a thanks so i know your question was answered. It helps since im new here and really boosts my morale :D
if x =4 and y =-3
F =
What the maning of that ?
Answer:
122 km/h
138 km/h
Step-by-step explanation:
distance = speed * time
One bus travels 16 km/h slower than the other
(s * 2) + (s - 16)2 = 520
2s + 2s - 32 = 520
4s = 552
s = 552/4
s = 138 km/h
s - 16 = 122 km/h