The penguin nursery is open two times a day: 2/5 hour at noon and 1/5 hour in the afternoon how much is the penguin nursery open every day ​

Which statement is always true? a. square bcdf is a rectangle. b. rectangle gjkm is a square. c. quadrilateral stpr is a trapezoid. d. parallelogram abcd is a rhombus.

The radius of the base of a cylinder is 10 centimeters, and its height is 20 centimeters. a cone is used to fill the cylinder with water. the radius of the cone's base is 5 centimeters, and its height is 10 centimeters.

Negative 5 1/12 + negative 4 1/4 + 6 3/4