476 circuits is 70% of what number of circuits?

The graph shown is the graph of which function?

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

Aline passes through 3,7 and 6,9 what equation represents the line