A model train moves 18.3m in 122s. What is the train's average speed?

In addition to the lyre, which instrument did minnesingers use to accompany their songs?

Before a star is born, the matter that will become the star exists as a A bright, explosive supernova Bred giant C black hole D cool, dark nebula

Gloria's doctor diagnoses her with hepatitis B, which is a viral infection. Which body system will fight this infection? respiratory integumentary immune digestive circulatory

Why are inputs and outputs important to the world?

Through which material does light move fastest? -Ocean Water -Open Space -Stained Glass -Silver Metal

The hinge at A and cable BDC support beam ABC. Cable BDC passes over the pulley D that is pinned to the ceiling. (Assume that the + x-axis is to the right and the + y-axis is up along the page.

The "zone of avoidance" a) Accounts for the absence of any planet between the orbits of Mars and Jupiter Prevents collisions between planets in the Solar System.

Electric current is ...

What type of ethic is life-centered and views humans as just one component life on Earth

Which formula describes acceleration? m/s^2 m/s s/m m2