Find the value of the interquartile range. 88 95 74 59 65 92 85 77 82

Cam bought some used books for $4.95. he paid $0.50 each for some books and $0.35 each for the others. he bought fewer than 8 books at each price. how many books did cam buy?

Susie wants to take her friend out for lunch.she wants to spend $9.75 each person. how much will she spend in all.

Interpret the following expression (5y^2-7)^3/(2y)^2