I need help with this question

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

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?

Can someone me out here number 4 plz