mary needs to order pizza for 18 pizza. each student will get 1/4 of a pizza. how many pizzas should mary order? how much pizza will be left over

Which best describes the function on the graph? direct variation; k = −2 direct variation; k = -1/2 inverse variation; k = −2 inverse variation; k = -1/2

How is this equation completed? i cannot find any examples in the book.

Arectangle has a length of 6cm by 8cm what is the length of a diagonal of the rectangle