PLS HELP ASAP!!

not sure how to do this or how this works.

What number produces an irrational number when multiplied by -1.25

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?

Match each inequality to the number line that represents its solution