Every morning, Halle goes to school with a 1- liter bottle of water. She drinks 1/4 of the bottle before school starts and 2/3 of the rest before lunch. What fraction of the bottle does Halle drink after school starts but before lunch?

Which of the following is best modeled using a linear equation y=ax+b, where a is less than 0?

The pyraminx is a rubik's cube-type toy in the shape of a tetrahedron. the pyraminx shown below has edges 15\,\text{cm}15cm long and vertical height h=12.2\,\text{cm}h=12.2cm. the triangle drawn with dashed lines is a right triangle. what is the distance rr? round your answer to the nearest tenth.

Megan is making bracelets to sell to earn money for the local animal shelter. it takes her 1/4 hour to pick out all the beads and 1/10 hour to string them.this week, she only has 5 1/4 hours to make bracelets. how many bracelets will megan be able to make?