He has $4.40, the quarters, nickels, and dimes added up to $1.80, subtract that from $6.20 and you get $4.40
Answer:
They have the same slope
Step-by-step explanation:
Given
Coaster 1:


Coaster 2:


First, we calculate the slope (m) of both coasters


For coaster 1:



For coaster 1:



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<em>By comparison, they have the same slope</em>
Answer:
≈ 7
Step-by-step explanation: