Abullet train can travel at 170 miles per hour will a graph representing distance in miles compared to time an hour show a proportional relationship

Care repairs are less than or equal to $500

Mikael, hema and 5 friends will run an event. they will wear either a red shirt or red baseball hat during the event. they want to spend exactley $40. shirts cost $8 each and caps cost $4 each.

What is the coefficient in the expression 7x + 14