The librarian’s assistant is given $200 to buy a collection of books for the library. paperback books cost $3.50 each, and hardcover books cost $8 each. the librarian wants at least 20 hardcover books for the collection. which of the following systems correctly describes the number of paperbacks (p) and hardcover books (h) the assistant can purchase

Beth divided 9 ounces of her granola recipe into 4 equal-sized amounts. she placed the amounts into individual bowls. the fraction 9/4 represents the number of ounces of granola in each bowl. which other number represents the amount of granola beth has in each bowl? (a) 1 1/4 (b) 2 1/4 (c) 1 3/4 (d) 3 3/4 i need !

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.

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