Is the relationship between the amount earned and number of days worked proportional?

—the graph shows how fast a strand of human hair grows. how many inches would the hair have grown in 5 months

Which statement best describes the polynomial

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?