Help please it’s for a grade

Which point is on the line y=-2+3? (-2,-1) (3,3) (3,-3) (-3,-9)

Which of the following tables represents exponential functions?

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?