Tamia uses 75% of the crayons in a box of 64. She lets Litzy borrow the rest of the crayons. How many crayons did Litzy borrow? *

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

In september, louise planted a tree. every month, the tree louise planted grew 2 inches. what would the constant of proportionality of the line be?

Suppose the equation ||x-a|-b|=2008 has 3 distinct real roots and a not =0. find the value of b.