Janice has a collection of 36 hairpins, of them are red and the rest are black. How many black hairpins does Janice have? ​

When turned about its axis of rotation, which shape could have created this three-dimensional object?

Which number completes the inequality? 2/3 < _ < 7/9

Aclothing store has the sign shown in the shop window. pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. the cost of each shirt before the discount is $12, and the cost of each pair of jeans is $19 before the discount. write and simplify an expression to find the amount pani pays if a $3 discount is applied to her total