Can someone help me find the answer for 3 and 5! I’m trying to find the interquartile range for each

Factor the polynomial 8y^2 - 72 btw "^" means exponent

An unknown number of kids and buses are getting assigned. when assigning 4 kids to each bus, there are 2 kids that aren't placed in a bus. when assigning 8 kids to each bus, there are 2 empty buses. how many total kids are there?

[15 points, algebra 2]simplify the complex fraction and find the restrictions.