How to find the inter quartile range of these

1,1,1,2,2,3,3,4,5

Heather is a cashier. she can ring up 1212 customers in 99 minutes. at this rate, how many minutes does it take her to ring up 44 customers?

Suppose you can spend at most $12. create an inequality that represents this restraint. then find at least three ordered pair solutions representing the number of boxes of candy and combos you can buy

Write an equation in slope-intercept form using the given points (19,-16), (-7,-15)