Emma took a taxi from the airport to her house. she paid a flat fee of $5 plus $3.70 per mile. the fare came to $42. for emma's taxi ride, which equation gives the correct distance (d) in miles? a) 5+3.7=42⋅d b) (5+3.7)d=42 c) 5+3.7⋅d=42 d) 5⋅d+3.7=42